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Note: This page contains sample records for the topic "ratio turbocharged gasoline" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


1

Advanced Gasoline Turbocharged Direct Injection (GTDI) Engine...  

Broader source: Energy.gov (indexed) [DOE]

in Gasoline Turbocharged Direct Injection (GTDI) engine technology in the near term as a cost effective, high volume, fuel economy solution, marketed globally as EcoBoost...

2

ESTIMATION OF EXHAUST MANIFOLD PRESSURE IN TURBOCHARGED GASOLINE ENGINES WITH VARIABLE VALVE TIMING  

E-Print Network [OSTI]

ESTIMATION OF EXHAUST MANIFOLD PRESSURE IN TURBOCHARGED GASOLINE ENGINES WITH VARIABLE VALVE TIMING in turbocharged gasoline engines with variable valve timing requires knowledge of exhaust mani- fold pressure, Pe control systems for gasoline engines rely heavily on feedforward air-fuel ratio (A/F) control to meet

Grizzle, Jessy W.

3

Practical Observers for Unmeasured States in Turbocharged Gasoline Julia H. Buckland, Jim Freudenberg, J. W. Grizzle and Mrdjan Jankovic  

E-Print Network [OSTI]

Practical Observers for Unmeasured States in Turbocharged Gasoline Engines Julia H. Buckland, Jim Freudenberg, J. W. Grizzle and Mrdjan Jankovic Abstract--Turbocharged gasoline engines are becoming more with a significant reduction in calibration complexity. I. INTRODUCTION Turbocharged gasoline engines are becoming

Grizzle, Jessy W.

4

Optimisation of transient response of a gasoline engine with variable geometry turbine turbocharger  

Science Journals Connector (OSTI)

ABSTRACT Maintaining transient torque response is challenging on turbocharged engines because of the period of time required to accelerate the turbocharger. Variable Geometry Turbine (VGT) turbochargers offer a route to improve the transient response. In order to explore the transient operation without any limitation imposed by the production control strategy, an on line search was conducted using a series of open loop actuator trajectories applied to a VGT turbocharger installed on a gasoline engine. The trade-off between the responses in different stages in the transient event has been illustrated. The time required to reach 50% of maximum torque rise (T50) was improved by up to 0.54 s (35.5%) whilst the turbocharger acceleration was maintained. Fully closing the VGT resulted in high exhaust back pressure and low volumetric efficiency. This suggests that a simple boost pressure feedback control will likely not deliver optimised performance due to the excessive exhaust back pressure, reducing the available brake torque during the early part of the transient. Therefore, a model based control strategy may be required.

H. Tang; S. Akehurst; C.J. Brace; S. Garrett; L. Smith

2014-01-01T23:59:59.000Z

5

Fact #852 December 22, 2014 Turbocharged Engines Account for 64.7% of all Four-Cylinder Gasoline Car Engines in 2014- Dataset  

Broader source: Energy.gov [DOE]

Excel file with dataset for Fact #852 December 22, 2014 Turbocharged Engines Account for 64.7% of all Four-Cylinder Gasoline Car Engines in 2014

6

Turbocharger  

DOE Patents [OSTI]

In one example, a turbocharger for an internal combustion engine is described. The turbocharger comprises a casing containing an impeller having a full blade coupled to a hub that rotates about an axis of rotation. The casing includes a bleed port and an injection port. The full blade includes a hub edge, a casing edge, and a first distribution of angles, each angle measured between the axis of rotation and a mean line at the hub edge at a meridional distance along the hub edge. The full blade includes a second distribution of angles, each angle measured between the axis of rotation and a mean line at the casing edge at a meridional distance along the casing edge. Further, various systems are described for affecting the aerodynamic properties of the compressor and turbine components in a way that may extend the operating range of the turbocharger.

Sun, Harold Huimin; Hanna, Dave; Zhang, Jizhong; Hu, Liangjun; Krivitzky, Eric M.; Larosiliere, Louis M.; Baines, Nicholas C.

2013-08-27T23:59:59.000Z

7

Vehicle Technologies Office Merit Review 2014: Advanced Gasoline...  

Broader source: Energy.gov (indexed) [DOE]

Advanced Gasoline Turbocharged Direct Injection (GTDI) Engine Development Vehicle Technologies Office Merit Review 2014: Advanced Gasoline Turbocharged Direct Injection (GTDI)...

8

Vehicle Technologies Office Merit Review 2014: Advanced Gasoline Turbocharged Direct Injection (GTDI) Engine Development  

Broader source: Energy.gov [DOE]

Presentation given by Ford Motor Companyh at 2014 DOE Hydrogen and Fuel Cells Program and Vehicle Technologies Office Annual Merit Review and Peer Evaluation Meeting about advanced gasoline...

9

3-Cylinder Turbocharged Gasoline Direct Injection: A High Value Solution for Euro VI Emissions  

Broader source: Energy.gov [DOE]

3-cylindery gasoline direct injection engines offer similar value in CO2 reduction capability (Euros/% CO2 reduction) at a significantly lower on-cost.

10

Advanced Turbo-Charging Research and Development  

SciTech Connect (OSTI)

The objective of this project is to conduct analysis, design, procurement and test of a high pressure ratio, wide flow range, and high EGR system with two stages of turbocharging. The system needs to meet the stringent 2010MY emissions regulations at 20% + better fuel economy than its nearest gasoline competitor while allowing equivalent vehicle launch characteristics and higher torque capability than its nearest gasoline competitor. The system will also need to meet light truck/ SUV life requirements, which will require validation or development of components traditionally used only in passenger car applications. The conceived system is termed 'seriessequential turbocharger' because the turbocharger system operates in series at appropriate times and also sequentially when required. This is accomplished using intelligent design and control of flow passages and valves. Components of the seriessequential system will also be applicable to parallel-sequential systems which are also expected to be in use for future light truck/SUV applications.

None

2008-02-27T23:59:59.000Z

11

The relation of octane number, compression ratio, and exhaust temperature in the gasoline engine  

E-Print Network [OSTI]

THE RELATION OF OCTANE NUMHER& COMPRESSION RATIO& AND EXHAUST TEMPERATURE IN THE GASOLINE ENGINE A Tbeaie Donald George Jentsch THE RELATION OF OCTANE NUMBER, COMHKSSION RATIO, EXHAUST TEMPERATURE IN THE GASOLINE ENGINE By Donald George... throttle settings) a. Table VI - Aviation Gasolines 22 26 b. Table VI (a) ? Automotive Gasolines . . . 33 2. Spark set for maximum power at full throttle (Speed 2000 RPH at various throttle settings) a. Table VII ? Aviation Gasolines . . . . . 34 b...

Jentsch, Donald George

2012-06-07T23:59:59.000Z

12

Turbocharger design for electrical wastegate actuation to minimize leakage  

Science Journals Connector (OSTI)

Exhaust gas turbochargers are a major part of current strategies for reducing CO2 emissions — especially in the gasoline engine. To optimally support downsizing and downspeeding, turbochargers must react as fast ...

Achim Koch; Hartmut Claus; Dirk Frankenstein; Roland Herfurth

2010-10-01T23:59:59.000Z

13

Fact #852 December 22, 2014 Turbocharged Engines Account for...  

Energy Savers [EERE]

2 December 22, 2014 Turbocharged Engines Account for 64.7% of all Four-Cylinder Gasoline Car Engines in 2014 Fact 852 December 22, 2014 Turbocharged Engines Account for 64.7% of...

14

Modeling of Air-Fuel Ratio Dynamics of Gasoline Combustion Engine with ARX Network  

E-Print Network [OSTI]

DS-06-1351 Modeling of Air-Fuel Ratio Dynamics of Gasoline Combustion Engine with ARX Network Tomás dynamics of gasoline engines during transient operation. With a collection of input-output data measured;Modeling of Air-Fuel Ratio Dynamics of Gasoline Combustion Engine with ARX Network I. INTRODUCTION

Johansen, Tor Arne

15

Turbocharged Spark Ignited Direct Injection - A Fuel Economy...  

Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

- A Fuel Economy Solution for The US Turbocharged SIDI is the most promising advanced gasoline technology; combines existing & proven technologies in a synergistic manner, offers...

16

Modeling and Analysis of Natural Gas and Gasoline In A High Compression Ratio High Efficiency ICRE  

Broader source: Energy.gov [DOE]

performance of a high compression ratio (32:1 to 74:1) high efficiency (50 to 60% BTE) ICRE operating on natural gas and gasoline

17

High compression ratio turbo gasoline engine operation using alcohol enhancement  

E-Print Network [OSTI]

Gasoline - ethanol blends were explored as a strategy to mitigate engine knock, a phenomena in spark ignition engine combustion when a portion of the end gas is compressed to the point of spontaneous auto-ignition. This ...

Lewis, Raymond (Raymond A.)

2013-01-01T23:59:59.000Z

18

Puddle Dynamics and Air-to-Fuel Ratio Compensation for Gasoline-Ethanol Blends in  

E-Print Network [OSTI]

1 Puddle Dynamics and Air-to-Fuel Ratio Compensation for Gasoline-Ethanol Blends in Flex-Fuel Engines* Kyung-ho Ahn, Anna G. Stefanopoulou, and Mrdjan Jankovic Abstract--Ethanol is being increasingly flexible fuel vehicles (FFVs) can operate on a blend of gasoline and ethanol in any concentration of up

Stefanopoulou, Anna

19

Two-Stage Variable Compression Ratio (VCR) System to Increase Efficiency in Gasoline Powertrains  

Broader source: Energy.gov [DOE]

Presents two-stage variable compression ratio mechanism realized by varying the connecting rod length, description of the system layout, working principle and expected fuel savings benefits when used in current and future gasoline engine concepts

20

Combustion and emission characteristics of a turbocharged diesel engine using high premixed ratio of methanol and diesel fuel  

Science Journals Connector (OSTI)

Abstract The combustion and emission characteristics of a dual fuel diesel engine with high premixed ratio of methanol (PRm) were investigated. Experiments were performed on a 6-cylinder turbocharged, inter-cooling diesel engine. Methanol was injected through the intake port and ignited by direct injected diesel in the cylinder, the maximum \\{PRm\\} was over 70%. The experimental results showed that with high PRm, the maximum in-cylinder pressure increased from medium to high engine load but varied little or even decreased at low engine speed and load. High \\{PRm\\} prolonged the ignition delay but shortened the combustion duration and decreased the in-cylinder gas temperature at ignition timing. Hydrocarbons (HC), carbon monoxide (CO), formaldehyde emissions and the proportion of nitrogen dioxide (NO2) in nitrogen oxides (NOX) increased significantly with the increase of \\{PRm\\} while NOX and dry soot emissions were significantly reduced, which meant the trade-off relationship between NOX and soot emissions disappeared. The increased HC, CO and formaldehyde emissions could be effectively reduced by diesel oxidation catalyst (DOC) when the exhaust gas temperature reached the light off temperature of the DOC. After DOC, the NO2 proportion in NOX was greatly reduced to less than that of baseline engine at methanol premixed mode but increased slightly at pure diesel mode. The maximum \\{PRm\\} was confined by in-cylinder pressure at high engine speed and load. But at low engine speed and load, it was confined by the high emissions of HC, CO and formaldehyde even after DOC.

Lijiang Wei; Chunde Yao; Quangang Wang; Wang Pan; Guopeng Han

2015-01-01T23:59:59.000Z

Note: This page contains sample records for the topic "ratio turbocharged gasoline" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


21

Turbocharged Spark Ignited Direct Injection- A Fuel Economy Solution for The US  

Broader source: Energy.gov [DOE]

Turbocharged SIDI is the most promising advanced gasoline technology; combines existing & proven technologies in a synergistic manner, offers double digit fuel economy benefits, much lower cost than diesel or hybrid.

22

SuperTurbocharger | Department of Energy  

Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

SuperTurbocharger SuperTurbocharger Efficiency improvement, power increase, and throttle response achieved by SuperTurbocharger on a natural gas bus engine is presented....

23

Advanced Gasoline Turbocharged Direct Injection (GTDI) Engine...  

Broader source: Energy.gov (indexed) [DOE]

combustion system includes "micro" stratified charge capability Air Flow & Air Fuel Spatial & Temporal Evolution "Micro" Stratified Charge * Overall Lean Homogeneous * Early...

24

Advanced Gasoline Turbocharged Direct Injection (GTDI) Engine...  

Broader source: Energy.gov (indexed) [DOE]

Company proposed a 4 year project addressing the solicitation from the Department of Energy Recovery Act - Systems Level Technology Development, Integration, and Demonstration...

25

Advanced Gasoline Turbocharged Direct Injection (GTDI) Engine...  

Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

1 DOE Hydrogen and Fuel Cells Program, and Vehicle Technologies Program Annual Merit Review and Peer Evaluation ace065rinkevich2011...

26

Advanced Gasoline Turbocharged Direct Injection (GTDI) Engine...  

Broader source: Energy.gov (indexed) [DOE]

2 DOE Hydrogen and Fuel Cells Program and Vehicle Technologies Program Annual Merit Review and Peer Evaluation Meeting ace065weaver2012...

27

Plant science: Towards turbocharged photosynthesis  

Science Journals Connector (OSTI)

... block in place in a high-performance car engine — now we just need the turbocharger fitted and tuned. ...

G. Dean Price; Susan M. Howitt

2014-09-17T23:59:59.000Z

28

Method of turbocharger control  

SciTech Connect (OSTI)

This patent describes a method of turbocharger control in a vehicle having an engine and a turbocharger for increasing the density of at least the air entering a cylinder of the engine. The turbocharger has at least a compressor and a turbine coupled by a shaft and a nozzle to increase the angular momentum of the flow of gas to the turbine. The nozzle has a housing and movable vanes to vary the angle and velocity that the exhaust gas hits the wheel of the turbine, and actuator for moving the vanes, a can separated by a diaphragm and having an A side and B side for actuating the actuator, solenoid-actuated valves for controlling the pressure in the A and B sides of the can, an electronic control unit (ECU) having memory for storing data and predetermined values and for actuating and de-actuating the solenoid-actuated valves, a plurality of inputs to the ECU for providing input data indicative of engine temperature, engine speed, vehicle speed, intake manifold pressure, throttle angle, engine knock and charge air temperature.

Lyon, K.M.

1990-10-09T23:59:59.000Z

29

First and second law analysis of a gasoline engine for various compression ratios  

Science Journals Connector (OSTI)

This article presents a comparative energy and exergy analyses of a single cylinder, four-stroke spark-ignition engine for three compression ratios. A Petter engine with variable compression ratio and ignition timing was used to obtain the experimental data at full load conditions for six engine speeds between 1,300 and 2,800 rpm. It was found that the first and the second law efficiencies increased with increasing compression ratio. The maximum extractable power was obtained at the compression ratio 6.2 and observed inversely proportional to the compression ratio.

Adnan Parlak; Yavuz Erbas; Halit Yasar; Hakan Soyhan; Cengiz Deniz

2009-01-01T23:59:59.000Z

30

Optimisation of gasoline engine performance and fuel consumption through combination of technologies  

Science Journals Connector (OSTI)

The gasoline engine has undergone intensive development in recent history ... introduction of technologies such as turbocharging and direct fuel injection. In addition to the reduction of part load fuel consumption

Dr.-Ing. Peter Wieske; Bernhardt Lüddecke; Sebastian Ewert…

2009-11-01T23:59:59.000Z

31

Turbocharged spark ignition engine modelling and control strategy  

Science Journals Connector (OSTI)

This paper deals with the non-linear modelling and control of a turbocharged spark ignition engine. In the automotive industry, downsizing-based turbocharging is considered as a powerful technique to improve engine performances as fuel economy, pumping loss reduction to increase engine efficiency or driveability optimisation. This method is largely used for diesel engines. For gasoline engines, it is more complex in terms of control. In this work, a simplified control-oriented model is presented and validated using a Smart MCC three cylinders engine data. Then, based on this model, a fuzzy non-linear control law is calculated to achieve the fuel consumption and pumping losses reduction by setting the engine states to a given profile.

D. Khiar; J. Lauber; T.M. Guerra; T. Floquet; G. Colin; Y. Chamaillard

2008-01-01T23:59:59.000Z

32

Turbocharger control system  

SciTech Connect (OSTI)

A turbocharger control system is described for an engine having a turbocharger with a variable output compressor driven by a variable input turbine, the compressor boosting the pressure of an input manifold of the engine and the turbine being run from the exhaust gases of the engine. The control system consists of: a computing circuit including input circuit means for receiving input signals representative of operational parameters of the engine, programmable memory means for storing predetermined tabular data and sequential and computational instructions, processor means responsive to the memory means for receiving the input signals and generating output signals as a function of the input signals, tabular data, and instructions, and output circuit means for outputing the plurality of output signals, sensor means connected to the engine and the computing circuit for sensing the pressure in the manifold, the temperature of the exhaust gases, the speed of the engine, and position of the throttle, compressor and turbine actuators of the engine and generating signals representative thereof; and actuator means connected to the output circuit means for controlling the position of the actuators in response to predetermined ones of the output signals, respectively; the computing circuit, sensor means, and actuator means defining a turbine control loop for regulating the input of the exhaust gasses to the turbine as a function of the error difference between an optimum manifold pressure of the engine and the actual manifold pressure of the engine; and a compressor control loop for regulating the output of air flow from the compressor as a function of the speed and acceleration of the engine.

Fujawa, C.S.; Masteller, S.B.

1986-06-10T23:59:59.000Z

33

Automotive Turbocharging: Industrial Requirements and Technology Developments  

Broader source: Energy.gov [DOE]

Significant improvements in turbocharger performance will be difficult to achieve requires a proper understanding of the trade-offs and engine effects and impacts must be part of turbocharger development

34

Electronic turbocharger control  

SciTech Connect (OSTI)

A turbocharger is described comprising: a turbine adapted to be rotatably driven by exhaust gas flow from an engine; a compressor rotatably driven by the turbine and adapted to deliver pressurized airflow to the engine; housing means for defining a turbine gas inlet and outlet to direct gas flow to and from the turbine, and for defining a compressor air inlet and outlet to direct airflow to and from the compressor, the housing means further defining a wastegate passage interconnecting the turbine gas inlet and outlet in bypassing relation the turbine; a valve in the wastegate passage for modulating the volume of gas flow therethrough in bypassing relation to the turbine, the valve arranged such that pressure of gas flow in the turbine gas inlet urge the valve toward an open position; an actuator operably engaging the valve for moving the latter; biasing means operably engaging the actuator for urging the valve toward a closed position; means for generating an electrical control signal in response to an engine operating parameter; and control means responsive to the electrical control signal for engaging and disengaging the actuator, the control means operable upon engaging the actuator to override the urgings of the biasing means and the turbine inlet pressure and hold the actuator and the valve stationary.

Elpern, D.G.

1987-04-14T23:59:59.000Z

35

Improvement of a turbocharger by-pass valve and impact on performance, controllability, noise and durability  

Science Journals Connector (OSTI)

ABSTRACT Over the past years, the evolution of emission standards as well as the advent of Fuel economy targets has driven the need for higher controllability of boost pressure. This is a strong trend, which will continue to be true for both gasoline and diesel engine applications as we prepare for further evolutions of standards and introduction of fuel economy regulations. While engine boundary conditions have become harsher, fine, accurate and sustainable control of boost is challenging the way mechatronics components are engineered. This requires us to apply a System Engineering approach and improve our understanding of the behaviour of the entire control chain so that we can ultimately influence the design and drive performance at the System level. This paper describes key elements of the kinematic tools developed by Honeywell Turbocharger Technologies in order to optimize turbocharger control solutions. It includes details on CAE applications such as fluid dynamics, flexible multi-body dynamics and thermo-mechanical simulations and how they can be linked together to analyse a complete system. It highlights the importance of understanding the behaviour of the whole control chain from the actuator command to the turbocharger and engine response. The paper presents results from one main examples on a new waste-gate concept for Fixed geometry turbochargers primarily for gasoline applications. This examples show how kinematic tools can be applied to achieve controllability and durability targets while accelerating development cycle time.

L. Toussaint; M. Marques; N. Morand; P. Davies; C. Groves; F. Tomanec; M. Zatko; D. Vlachy; R. Mrazek

2014-01-01T23:59:59.000Z

36

Gasolin n  

Science Journals Connector (OSTI)

Gasolin n, Gasbenzin n ? natural gasoline, condensate, distillate [Liquid hydrocarbons, generally clear or pale straw-colo(u)red and of high API gravity (above 60°), that are produced wit...

2013-01-01T23:59:59.000Z

37

natural gasoline  

Science Journals Connector (OSTI)

natural gasoline, condensate, distillate [Liquid hydrocarbons, generally clear or pale straw-coloured and of high API gravity (above 6o°), that are produced with wet gas] ? Gasbenzin n, Gasolin n ...

2014-08-01T23:59:59.000Z

38

The Potential of Elelcltric Exhaust Gas Turbocharging for HD...  

Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

Elelcltric Exhaust Gas Turbocharging for HD DIesel Engines The Potential of Elelcltric Exhaust Gas Turbocharging for HD DIesel Engines 2005 Diesel Engine Emissions Reduction (DEER)...

39

Automotive Turbocharging: Industrial Requirements and Technology...  

Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

performance will be difficult to achieve requires a proper understanding of the trade-offs and engine effects and impacts must be part of turbocharger development...

40

Turbo-Charged Lighting Design  

E-Print Network [OSTI]

TURBO-CHARGED LIGHTING DESIGN William H. Clark II Design Engineer O'Connell Robertson & Assoc Austin/ Texas ABSTRACT The task of the lighting designer has become very complex, involving thousands of choices for fixture types and hundreds... at this point. will read the data into the lighting file and clear the screen for the next calculation. The designer has access to over one hundred fixture types (expandable indefinitely). The most useful ones are displayed on the screen. The balance...

Clark, W. H. II

Note: This page contains sample records for the topic "ratio turbocharged gasoline" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


41

Advanced Gasoline Turbocharged Direct Injection (GTDI) Engine Development  

Broader source: Energy.gov [DOE]

2011 DOE Hydrogen and Fuel Cells Program, and Vehicle Technologies Program Annual Merit Review and Peer Evaluation

42

Advanced Gasoline Turbocharged Direct Injection (GTDI) Engine Development  

Broader source: Energy.gov [DOE]

2012 DOE Hydrogen and Fuel Cells Program and Vehicle Technologies Program Annual Merit Review and Peer Evaluation Meeting

43

Advanced Gasoline Turbocharged Direct Injection (GTDI) Engine Development  

Broader source: Energy.gov [DOE]

2013 DOE Hydrogen and Fuel Cells Program and Vehicle Technologies Program Annual Merit Review and Peer Evaluation Meeting

44

Improving Turbocharged Diesel Engine Operation with Turbo Power Assist System  

E-Print Network [OSTI]

Improving Turbocharged Diesel Engine Operation with Turbo Power Assist System I. Kolmanovsky A. G. In this pa- per we investigate the coupling of a power assist system at the turbocharger shaft of a diesel representation of a diesel engine with a turbocharger power assist system. A turbocharger power assist system

Stefanopoulou, Anna

45

Turbocharger with dual function actuator  

SciTech Connect (OSTI)

This patent describes an exhaust gas driven turbocharger. It comprises: a housing, a shaft rotatably mounted in the housing, a turbine wheel and a compressor wheel mounted in the housing on the shaft for rotation therewith. The housing defining a turbine inlet passage and a compressor inlet passage for communicating exhaust gas to the turbine wheel and ambient air to the compressor wheel respectively and further defining a turbine outlet passage and a compressor outlet passage for communicating exhaust gas and compressed air respectively from the housing a wastegate valve for venting the turbine inlet passage.

Miller, C.D.; Janik, M.; Tomoyasu, R.S.

1990-01-16T23:59:59.000Z

46

Electric car Gasoline car  

E-Print Network [OSTI]

ENAC/ Electric car (Renault) Gasoline car (competitors) Gasoline car (Renault) Market shares of an electric vehicle? Electric car (Renault) Gasoline car (competitors) Gasoline car (Renault) Market shares preference survey with choice situation contexts involving gasoline cars (Renault and competitors

47

The Turbocharged Theta GDI Engine of Hyundai  

Science Journals Connector (OSTI)

Under the so-called Blue Drive strategy aiming at high fuel efficiency and low CO2 emission, Hyundai developed the Theta turbocharged GDI 2.0 l engine to replace large- ... rigorous optimization of the system, Th...

Dr. Donghee Han; Hyuk Im; Seung-Kook Han; Hong-Jip Kim

2011-10-01T23:59:59.000Z

48

The Performance of Gasoline Fuels and Surrogates in Gasoline...  

Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

The Performance of Gasoline Fuels and Surrogates in Gasoline HCCI Combustion The Performance of Gasoline Fuels and Surrogates in Gasoline HCCI Combustion Almost 2 dozen gasoline...

49

Development of high efficiency ball-bearing turbocharger  

SciTech Connect (OSTI)

Turbochargers have become very popular on passenger cars since the first mass-produced turbocharged passenger cars were put on market in Japan in 1979. Turbo lag is one of the most serious problem since the first mass-production started. Several new technologies such as a variable geometry turbocharger, ceramic turbocharger, etc. have been introduced to improve acceleration performance. A variable geometry turbocharger changes the area of gas flow passage and increases exhaust gas speed at low engine speed. A ceramic turbocharger reduces inertia moment of a turbine wheel and shaft. Turbocharger mechanical efficiency has equal importance as compressor efficiency and turbine efficiency. This paper describes the test results of ball bearing turbochargers.

Miyashita, K.; Kurasawa, M.; Matsuoka, H.; Ikeya, N.

1987-01-01T23:59:59.000Z

50

Turbocharger control device with optical turbocharger shaft speed sensing  

SciTech Connect (OSTI)

A turbocharger control device for use in conjunction with an internal combustion engine, is described which consists of: a turbine operatively connected to an exhaust manifold of the engine to be driven to rotate by exhaust gases; a centrifugal compressor; a shaft connecting the compressor for rotation with the turbine; a casing surrounding, in part, the compressor and the shaft; photo projecting means positioned adjacent to the shaft within the casing; photo receiving means positioned diametrically opposite the photo projecting means on the opposite side and adjacent to the shaft within the casing; the shaft being provided with a diametrically penetrating hole; light source means; first means for coupling the light source means and the photo projecting means in respect to the transmission of light and for isolating the light source means from the casing in respect to the transmission of vibration and heat, converter means, including a photo-voltage converter; second means for coupling the converter means and the photo receiving means in respect to the transmission of light and for isolating the photo-voltage converter from the casing in respect to the transmission of vibration and heat; the photo-voltage converter generating an electrical signal in response to light pulse signals transmitted from the photo receiving means; control means connected electrically to the converter means for generating a control signal in response to the electrical signal; an actuator operatively connected to the control means for movement in response to the control signal.

Inada, M.; Kawahata, Y.; Akagi, M.

1986-02-25T23:59:59.000Z

51

Experimental investigation of thermal balance of a turbocharged SI engine operating on natural gas  

Science Journals Connector (OSTI)

Abstract This paper experimentally investigates the thermal balance and performance of a turbocharged gas spark ignition engine. The First Law of Thermodynamics was used for control volume around the engine to compute the output power, transferred energy to the cooling fluid, exhaust gases and also unaccounted losses through convection and radiation heat transfer. Thermal balance tests were performed for various operational conditions including full and half loads and different cooling fluid temperatures. Results indicate that by increasing engine load and coolant temperature, the percentage of transferred energy to the exhaust gases increased while the percentage of coolant energy decreased. Also, experimental data reveals that using gaseous fuel and a turbocharger (TC) in the engine leads to 4.5% and 4% more thermal efficiency than gasoline and natural aspirated (NA), respectively. Also, second law analysis reveals that using a turbocharger leads to a 3.6% increase in exergetic efficiency of the engine, averagely. Based on experimental results, an empirical correlation was suggested for computing the energy of exhaust gases which shows good agreement with the experimental data for the majority of operating conditions.

A. Gharehghani; M.Koochak; M. Mirsalim; Talal Yusaf

2013-01-01T23:59:59.000Z

52

CRADA Final Report for CRADA Number NFE-08-01671 Materials for Advanced Turbocharger Designs  

SciTech Connect (OSTI)

Results were obtained on residual stresses in the weld of the steel shaft to the Ni-based superalloy turbine wheel for turbochargers. Neutron diffraction studies at the HFIR Residual Stress Facility showed asymmetric tensile stresses after electron-beam welding of the wheel and shaft. A post-weld heat-treatment was found to relieve and reduce the residual stresses. Results were also obtained on cast CF8C-Plus steel as an upgrade alternative to cast irons (SiMo, Ni-resist) for higher temperature capability and performance for the turbocharger housing. CF8C-Plus steel has demonstrated creep-rupture resistance at 600-950oC, and is more creep-resistant than HK30Nb, but lacks oxidation-resistance at 800oC and above in 10% water vapor. New modified CF8C-Plus Cu/W steels with Cr and Ni additions show better oxidation resistance at 800oC in 10% water vapor, and have capability to higher temperatures. For automotive gasoline engine turbocharger applications, higher temperatures are required, so at the end of this project, testing began at 1000oC and above.

Maziasz, P. J. [ORNL; Wilson, M. [Honeywell

2014-11-28T23:59:59.000Z

53

Net Taxable Gasoline Gallons (Including Aviation Gasoline)  

E-Print Network [OSTI]

Net Taxable Gasoline Gallons (Including Aviation Gasoline) Period 2000 2001 (2) 2002 2003 2004 "gross" to "net" , was deemed impractical. (5) This report replaces the Gross Taxable Gasoline Gallons (Including Aviation Gasoline) report which will not be produced after December 2002. (6) The November 2007

54

Gasoline vapor recovery  

SciTech Connect (OSTI)

In a gasoline distribution network wherein gasoline is drawn from a gasoline storage tank and pumped into individual vehicles and wherein the gasoline storage tank is refilled periodically from a gasoline tanker truck, a method of recovering liquid gasoline from gasoline vapor that collects in the headspace of the gasoline storage tank as the liquid gasoline is drawn therefrom, said method comprising the steps of: (a) providing a source of inert gas; (b) introducing inert gas into the gasoline storage tank as liquid gasoline is drawn therefrom so that liquid gasoline drawn from the tank is displaced by inert gas and gasoline vapor mixes with the inert gas in the headspace of the tank; (c) collecting the inert gas/gasoline vapor mixture from the headspace of the gasoline storage tank as the tank is refilled from a gasoline tanker truck; (d) cooling the inert gas/gasoline vapor mixture to a temperature sufficient to condense the gasoline vapor in the mixture to liquid gasoline but not sufficient to liquify the inert gas in the mixture; (e) separating the condensed liquid gasoline from the inert gas; and delivering the condensed liquid gasoline to a remote location for subsequent use.

Lievens, G.; Tiberi, T.P.

1993-06-22T23:59:59.000Z

55

Exhaust particle characterization for lean and stoichiometric DI vehicles operating on ethanol-gasoline blends  

SciTech Connect (OSTI)

Gasoline direct injection (GDI) engines can offer better fuel economy and higher performance over their port fuel-injected (PFI) counterparts, and are now appearing in increasingly more U.S. and European vehicles. Small displacement, turbocharged GDI engines are replacing large displacement engines, particularly in light-duty trucks and sport utility vehicles, in order for manufacturers to meet the U.S. fuel economy standards for 2016. Furthermore, lean-burn GDI engines can offer even higher fuel economy than stoichiometric GDI engines and have overcome challenges associated with cost-effective aftertreatment for NOx control. Along with changes in gasoline engine technology, fuel composition may increase in ethanol content beyond the current 10% due to the recent EPA waiver allowing 15% ethanol. In addition, the Renewable Fuels Standard passed as part of the 2007 Energy Independence and Security Act (EISA) mandates the use of biofuels in upcoming years. GDI engines are of environmental concern due to their high particulate matter (PM) emissions relative to port-fuel injected (PFI) gasoline vehicles; widespread market penetration of GDI vehicles may result in additional PM from mobile sources at a time when the diesel contribution is declining. In this study, we characterized particulate emissions from a European certified lean-burn GDI vehicle operating on ethanol-gasoline blends. Particle mass and particle number concentration emissions were measured for the Federal Test Procedure urban driving cycle (FTP 75) and the more aggressive US06 driving cycle. Particle number-size distributions and organic to elemental carbon ratios (OC/EC) were measured for 30 MPH and 80 MPH steady-state operation. In addition, particle number concentration was measured during wide open throttle accelerations (WOTs) and gradual accelerations representative of the FTP 75. Fuels included certification gasoline and 10% (E10) and 20% (E20) ethanol blends from the same supplier. The particle mass emissions were approximately 3 and 7 mg/mile for the FTP75 and US06, respectively, with lower emissions for the ethanol blends. The data are compared to a previous study on a U.S.-legal stoichiometric GDI vehicle operating on the same ethanol blends. The lean-burn GDI vehicle emitted a higher number of particles, but had an overall smaller average size. Particle number per mile decreased with increasing ethanol content for the transient tests. For the 30 and 80 mph tests, particle number concentration decreased with increasing ethanol content, although the shape of the particle size distribution remained the same. Engine-out OC/EC ratios were highest for the stoichiometric GDI vehicle with E20, but tailpipe OC/EC ratios were similar for all vehicles.

Storey, John Morse [ORNL] [ORNL; Barone, Teresa L [ORNL] [ORNL; Thomas, John F [ORNL] [ORNL; Huff, Shean P [ORNL] [ORNL

2012-01-01T23:59:59.000Z

56

With Mathematica Gasoline Inventory  

E-Print Network [OSTI]

Preprint 1 With Mathematica and J: Gasoline Inventory Simulation Cliff Reiter Computational for the number of gallons of gasoline sold by a station for a thousand weeks. The pattern involves demands with the delivery and storage of the gasoline and we desire not to run out of gasoline or exceed the station

Reiter, Clifford A.

57

Modeling and Analysis of Natural Gas and Gasoline In A High Compressio...  

Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

and Analysis of Natural Gas and Gasoline In A High Compression Ratio High Efficiency ICRE Modeling and Analysis of Natural Gas and Gasoline In A High Compression Ratio High...

58

Electrically-Assisted Turbocharger Development for Performance and Emissions  

SciTech Connect (OSTI)

Turbocharger transient lag inherently imposes a tradeoff between a robust engine response to transient load shifts and exhaust emissions. By itself, a well matched turbocharger for an engine has limited flexibility in improving this transient response. Electrically-assisted turbocharging has been seen as an attractive option to improve response and lower transient emissions. This paper presents the results of a multi-year joint CRADA between DDC and ORNL. Virtual lab diesel simulation models characterized the performance improvement potential of an electrically assisted turbocharger technology. Operating requirements to reduce transient duration between load shift time by up to 50% were determined. A turbomachine has been conceptualized with an integrated motor-generator, providing transient burst boost plus energy recovery capability. Numerous electric motor designs were considered, and a prototype motor was developed, fabricated, and is undergoing tests. Power controls have been designed and fabricated.

Bailey, Milton

2000-08-20T23:59:59.000Z

59

ACTIVE CONTROL TURBOCHARGER FOR AUTOMOTIVE APPLICATION: AN EXPERIMENTAL EVALUATION  

Science Journals Connector (OSTI)

ABSTRACT The current paper presents the results from a comprehensive set of experimental tests on a prototype active control turbocharger. This is a continuing series of test work as part of the development of this new type of turbocharger. Driven by the need to comply to increasingly strict emissions regulations as well as a continuing strive for better overall performance the active control turbocharger is intended to provide an improvement over the current state-of-the-art in turbocharging. In this system, the nozzle is able to alter the throat inlet area of the turbine according to the pressure variation of each engine exhaust gas pulse thus imposing a substantially more ‘active’ form of control of the conditions at the turbine rotor inlet.

Apostolos Pesiridis; Ricardo Martinez-Botas

2006-01-01T23:59:59.000Z

60

Optimization of a turbocharger for high EGR applications  

Broader source: Energy.gov [DOE]

Approach to optimize single turbocharger operation to drive high-EGR efficiently, and extend operating range and efficiency of diesels in cost-sensitive and packaging-constrained light-duty applications

Note: This page contains sample records for the topic "ratio turbocharged gasoline" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


61

Finished Motor Gasoline Net Production  

Gasoline and Diesel Fuel Update (EIA)

Data Series: Finished Motor Gasoline Finished Motor Gasoline (less Adj.) Reformulated Gasoline Reformulated Gasoline Blenede w/ Fuel Ethanol Reformulated Other Gasoline Conventional Gasoline Conventional Gasoline Blended w/ Fuel Ethanol Conventional Gasoline Blended w/ Fuel Ethanol, Ed55 & Ed55 Other Conventional Gasoline Finished Motor Gasoline Adjustment Kerosene-Type Jet Fuel Kerosene-Type Jet, Commercial Kerosene-Type Jet, Military Distillate Fuel Oil Distillate Fuel Oil, 15 ppm Sulfur and Under Distillate Fuel Oil > 15 ppm to 500 ppm Sulfur Distillate Fuel Oil > 500 ppm Sulfur Residual Fuel Oil Propane/Propylene Period: Weekly 4-Week Average

62

Dual-fueling turbocharged diesels with ethanol  

SciTech Connect (OSTI)

Spray addition and carburetion methods were tested for dual-fueling a turbocharged, 65 kW diesel tractor. Approximately 30 percent of the fuel energy for the tractor was supplied by spraying ethanol into the intake air and about 46 percent by carburetion with little affect on the engine thermal efficiency. Further substitution of diesel fuel with ethanol was limited by knock. As the amount of ethanol fed into the engine was increased, ignition apparently changed from the steady burning process which normally occurs in a diesel engine to a rapid explosion which caused knock. The best fuel for the spray approach was a 50 percent ethanol/water solution and with the carburetor it was an 80 percent ethanol/water solution. (Refs. 6).

Cruz, J.M.; Rotz, C.A.; Watson, D.H.

1982-09-01T23:59:59.000Z

63

Dual-fueling turbocharged diesels with ethanol  

SciTech Connect (OSTI)

Spray addition and carburetion methods were tested for dual-fueling a turbocharged, 65 kW diesel tractor. Approximately 30 percent of the fuel energy for the tractor was supplied by spraying ethanol into the intake air and about 46 percent by carburetion with little affect on the engine thermal efficiency. Further substitution of diesel fuel with ethanol was limited by knock. As the amount of ethanol fed into the engine was increased, ignition apparently changed from the steady burning process which normally occurs in a diesel engine to a rapid explosion which caused knock. The best fuel for the spray approach was a 50 percent ethanol/water solution and with the carburetor it was an 80 percent ethanol/water solution.

Cruz, J.M.; Rotz, C.A.; Watson, D.H.

1982-09-01T23:59:59.000Z

64

Pollution duality in turbocharged heavy duty diesel engine  

Science Journals Connector (OSTI)

Diesel engine designers are faced with increasingly stringent social demands to reduce emissions while maintaining high performance. Several strategies are considered, such as the advanced fuel system, the cooled exhaust gas recirculation (EGR), the particulate filter, the NOx after-treatment, the oxidation catalyst, the advanced control techniques and the alternative combustion. These strategies have been tuned to achieve the lowest engine exhaust gas emissions. The major problem of diesel engine pollution is the NOx and soot formation. Their antagonistic evolution according to the air/fuel ratio is well-known, and requires a good compromise. In this article, a numerical investigation was carried out using the KIVA-3v code. The aim deals with the influence of some engine parameters on the performances and the pollutant (NOx-soot) formation of a turbocharged heavy duty direct injection diesel engine. The numerical simulations were achieved to capture independently the effects of engine operating parameters such as the fuel injection timing, the fuel injection duration, the piston bowl diameter and the EGR rate. The obtained results are discussed and some conclusions are developed.

M. Bencherif; A. Liazid; M. Tazerout

2009-01-01T23:59:59.000Z

65

Air intake modelling with fuzzy AFR control of a turbocharged diesel engine  

Science Journals Connector (OSTI)

One of the most vital factors in combustion control is Air-to-Fuel Ratio (AFR) estimation and control. In this work a detailed mathematical, nonlinear and control oriented model of dynamic processes of turbocharged diesel engines is presented. This model has been developed using physical equations and also experimental data. Common Rail Injection (CRI) that is a flexible fuel injection system in which quantity, timing and pressure of injection are controllable separately is chosen for this purpose. AFR control is performed making use of fuzzy logic methodology with a fast fuzzy controller. All above-mentioned models are programmed in Matlab/Simulink software.

Amir H. Shamdani; Amir H. Shamekhi; M. Ziabasharhagh

2008-01-01T23:59:59.000Z

66

Dynamic feedback linearization applied to asymptotic tracking: generalization about the turbocharged diesel engine outputs choice  

Science Journals Connector (OSTI)

In this paper we apply dynamic feedback linearization to the tracking problem for a turbocharged diesel engine (TDE) equipped with exhaust gas recirculation (EGR) valve and variable geometry turbocharger (VGT). The model used here is the third-order ...

Marcelin Dabo; Nicolas Langlois; Houcine Chafouk

2009-06-01T23:59:59.000Z

67

Reformulated Gasoline Complex Model  

Gasoline and Diesel Fuel Update (EIA)

Refiners Switch to Reformulated Refiners Switch to Reformulated Gasoline Complex Model Contents * Summary * Introduction o Table 1. Comparison of Simple Model and Complex Model RFG Per Gallon Requirements * Statutory, Individual Refinery, and Compliance Baselines o Table 2. Statutory Baseline Fuel Compositions * Simple Model * Complex Model o Table 3. Complex Model Variables * Endnotes Related EIA Short-Term Forecast Analysis Products * RFG Simple and Complex Model Spreadsheets * Areas Particpating in the Reformulated Gasoline Program * Environmental Regulations and Changes in Petroleum Refining Operations * Oxygenate Supply/Demand Balances in the Short-Term Integrated Forecasting Model * Reformulated Gasoline Foreign Refinery Rules * Demand, Supply, and Price Outlook for Reformulated Motor Gasoline, 1995 , (Adobe

68

Air Charge Control for Turbocharged Spark Ignition Engines with Internal Exhaust Gas Recirculation  

E-Print Network [OSTI]

, the turbocharger wastegate, and the Variable Valve Timing (VVT) system are three actuators in the air path systemAir Charge Control for Turbocharged Spark Ignition Engines with Internal Exhaust Gas Recirculation of transient cylin- der charge control, based on a cycle-averaged mean-value model for a turbocharged spark

Stefanopoulou, Anna

69

Turbocharger bearing retention and lubrication system  

SciTech Connect (OSTI)

This patent describes exhausts gas driven turbocharger. It comprises a housing, a shaft within the housing having a longitudinal axis of rotation and a pair of ends, a compressor wheel mounted within the housing on one end of the shaft for rotation therewith, a turbine wheel mounted within the housing on the other end of the shaft for rotation therewith, means for communicating air to the compressor wheel, means for communicating exhaust gas to the turbine wheel to cause the latter to rotate the shaft and the compressor wheel mounted thereon to compress the air communicated to the compressor wheel, and bearing means mounting the shaft for rotation relative to the housing, the bearing means including a bearing outer ring, a bearing inner ring, and ball bearing elements supporting the bearing outer ring on the bearing inner ring, a bearing locating aperture in the bearing outer ring, and an elongated bearing location pin having a longitudinal axis of symmetry extending transversely to the longitudinal axis of the shaft.

Gutknecht, D.A.

1991-12-31T23:59:59.000Z

70

gasoline | OpenEI  

Open Energy Info (EERE)

gasoline gasoline Dataset Summary Description These data files contain volume, mass, and hardness changes of elastomers and plastics representative exposed to gasoline containing various levels of ethanol. These materials are representative of those used in gasoline fuel storage and dispensing hardware. All values are compared to the original untreated condition. The data sets include results from specimens exposed directly to the fuel liquid and also a set of specimens exposed only to the fuel vapors. Source Mike Kass, Oak Ridge National Laboratory Date Released August 16th, 2012 (2 years ago) Date Updated August 16th, 2012 (2 years ago) Keywords compatibility elastomers ethanol gasoline plastics polymers Data application/vnd.openxmlformats-officedocument.spreadsheetml.sheet icon plastics_dma_results_san.xlsx (xlsx, 4.9 MiB)

71

Motor gasolines, summer 1979  

SciTech Connect (OSTI)

Analytical data for 2401 samples of motor gasoline, from service stations throughout the country, were collected and analyzed under agreement between the Bartlesville Energy Technology Center and the American Petroleum Institute. The samples represent the products of 48 companies, large and small, which manufacture and supply gasoline. These data are tabulated by groups according to brands (unlabeled) and grades for 17 marketing areas and districts into which the country is divided. A map included in this report, shows marketing areas, districts and sampling locations. The report also includes charts indicating the trends of selected properties of motor fuels since 1949. Twelve octane distribution percent charts for areas 1, 2, 3, and 4 for unleaded, regular, and premium grades of gasoline are presented in this report. The antiknock (octane) index ((R + M)/2) averages of gasoline sold in this country were 88.6, 89.3, and 93.7 unleaded, regular, and premium grades of gasolines, respectively.

Shelton, E.M.

1980-02-01T23:59:59.000Z

72

Controlling the turbocharger whistling noise in diesel engines  

Science Journals Connector (OSTI)

Turbochargers are now commonly used in passenger cars especially in application with diesel engines because of their numerous advantages. The use of this machine greatly improves engine performance, while at the same time allowing pollutant emissions to be reduced. However, one of the important issues to take into account when a turbocharger is used in passenger cars is the whistling noise due to unbalanced forces that can be perceived by the driver, which causes discomfort. The manufacturer's efforts to reduce the whistling noise are centred on reducing the unbalanced forces by a correct balance of rotating parts. However, improving the balance means increasing the manufacturing cost as this process is very expensive. Selecting the maximum unbalance admissible is a key activity during the development of a new application. In this paper, a procedure to control the turbocharger whistling noise vs. unbalanced forces variation has been suggested in order to maintain the acoustic comfort of the vehicle.

J.A. Calvo; V. Diaz; J.L. San Roman

2006-01-01T23:59:59.000Z

73

State Gasoline Taxes  

E-Print Network [OSTI]

BULLETIN OF THE UNIVERSITY OF KANSAS HUMANISTIC STUDIES Vol. III March 15, 192S No. 4 State Gasoline Taxes BY KDMUNI) IV LKAENKI), A. B., A, M. Instructor in Economics and Commerce The Unlvmity of Kansas PUBLISHED BY THE UNIVERSITY l... vast sums of money, Oregon was the first state to adopt a tax on gasoline to provide revenue for building and maintaining roads. Since this adoption in 1919, many states have passed laws provid ing for gasoline taxes until now forty-four states...

Learned, Edmund Philip

1925-03-15T23:59:59.000Z

74

Turbocharger with improved roller bearing shaft support  

SciTech Connect (OSTI)

This paper describes an exhaust gas driven turbocharger. It comprises: a housing, a shaft within the housing having a pair of ends, a compressor wheel mounted within the housing on one end of the shaft for rotation therewith, a turbine wheel mounted within the housing on the other end of the shaft for rotation therewith, means for communicating air through the compressor wheel, means for communicating exhaust gas through the turbine wheel to cause the latter to rotate the shaft and the compressor wheel mounted thereon to compress the air communicated through the compressor wheel, and bearing means mounting the shaft for rotation relative to the housing, the bearing means including a bearing outer ring, a bearing inner ring, and ball bearing elements supporting the bearing outer ring on the bearing inner ring, the ball bearing elements includes a first set of the elements and a second set of the elements spaced axially from the first set, the bearing outer ring being a rigid, uninterrupted member providing an uninterrupted structural link between the first and second sets to establish the axial spacing between the sets, a pair of axially spaced faying surfaces on the inner ring engaging corresponding faying surfaces on the shaft to support the inner ring on the shaft, the shaft defining a circumferentially extending surface between the faying surfaces on the inner ring cooperating with the shaft to define an air gap therebetween, one of the faying surfaces on the inner ring having a diameter greater than the diameter of the other of the faying surfaces on the inner ring.

Gutknecht, D.A.

1991-10-08T23:59:59.000Z

75

Retail Motor Gasoline Prices*  

Gasoline and Diesel Fuel Update (EIA)

6 6 Notes: Gasoline pump prices have backed down from the high prices experienced last summer and fall. The retail price for regular motor gasoline fell 11 cents per gallon from September to December. However, with crude oil prices rebounding somewhat from their December lows combined with lower than normal stock levels, we project that prices at the pump will rise modestly as the 2001 driving season begins this spring. For the summer of 2001, we expect only a little difference from the average price of $1.50 per gallon seen during the previous driving season, as motor gasoline stocks going into the driving season are projected to be slightly less than they were last year. The situation of relatively low inventories for gasoline could set the stage for some regional imbalances in supply that could once again

76

Fuel Puddle Model and AFR Compensator for Gasoline-Ethanol Blends in Flex-Fuel Engines*  

E-Print Network [OSTI]

Fuel Puddle Model and AFR Compensator for Gasoline-Ethanol Blends in Flex-Fuel Engines* Kyung vehicles (FFVs) can operate on a blend of gasoline and ethanol in any concentration of up to 85% ethanol for gasoline-ethanol blends is, thus, necessary for the purpose of air-to-fuel ratio control. In this paper, we

Stefanopoulou, Anna

77

Control of Variable Geometry Turbocharged Diesel Engines for Reduced Emissions  

E-Print Network [OSTI]

in a Diesel engine equipped with a variable geometry tur- bocharger (VGT) and an external exhaust gas INJECTION EXHAUST MANIFOLD EGR VALVE EGR COOLER AIR EXHAUST Figure 1: Schematic representation of the DieselControl of Variable Geometry Turbocharged Diesel Engines for Reduced Emissions A.G. Stefanopoulouz

Stefanopoulou, Anna

78

Control Oriented Dynamic Modeling of a Turbocharged Diesel Engine  

Science Journals Connector (OSTI)

To build a precise model is a key issue in fulfilling on optimal control of the turbocharged diesel engine. Meanvalue model has been extensively used for engine control, but neglects the scavenging efficiency. On the basis of carefully considering air-fuel ... Keywords: Diesel engine, mean-value model, AFR

Haiyan Wang; Jundong Zhang

2006-10-01T23:59:59.000Z

79

Idling control device for internal combustion engine with turbocharger  

SciTech Connect (OSTI)

An idling control device is described for an internal combustion engine with a turbocharger, comprising: an air intake pipe having an inlet at an upstream end thereof adapted to accept air which is to be supplied through the air intake pipe to the internal combustion engine a turbocharger having a housing incorporated in the air intake pipe between the inlet and the outlet, a throttle valve incorporated in the air intake pipe between the turbocharger and the outlet, a surge tank incorporated in the air intake pipe between the throttle valve and the outlet; a bypass air passage means provided in parallel with the air intake pipe between upstream of the turbocharger and downstream of the throttle valve; a flow-control valve incorporated in the bypass air passage means; an actuator operatively associated with the flow-control valve, a computer operatively associated with the actuator and arranged to receive signals relating to operating conditions of the engine; a check valve incorporated in the bypass air passage means downstream of the flow-control valve.

Ando, H.; Kondo, T.

1986-09-23T23:59:59.000Z

80

Design for Control System of Wastegate Valve Actuator in Turbocharger  

Science Journals Connector (OSTI)

This paper has designed a set of control system of waste gate valve actuator in turbocharger, it enables the waste gate valve regulate the exhaust flow before turbo automatically according to the operating condition of engine, so it can lower the pressure ... Keywords: wastegate valve, electronic control, design, test

Liu Xinghua; Yu Lei; Liu Fushui; Wu Wenfeng; Wang Ruwei

2010-12-01T23:59:59.000Z

Note: This page contains sample records for the topic "ratio turbocharged gasoline" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


81

Diesel vs Gasoline Production | Department of Energy  

Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

vs Gasoline Production Diesel vs Gasoline Production A look at refinery decisions that decide "swing" between diesel and gasoline production deer08leister.pdf More Documents &...

82

Reformulated Gasoline Foreign Refinery Rules  

Gasoline and Diesel Fuel Update (EIA)

Reformulated Gasoline Reformulated Gasoline Foreign Refinery Rules Contents * Introduction o Table 1. History of Foreign Refiner Regulations * Foreign Refinery Baseline * Monitoring Imported Conventional Gasoline * Endnotes Related EIA Short-Term Forecast Analysis Products * Areas Participating in the Reformulated Gasoline Program * Environmental Regulations and Changes in Petroleum Refining Operations * Oxygenate Supply/Demand Balances in the Short-Term Integrated Forecasting Model * Refiners Switch to Reformulated Gasoline Complex Model * Demand, Supply, and Price Outlook for Reformulated Motor Gasoline, 1995 Introduction On August 27, 1997, the EPA promulgated revised the rules that allow foreign refiners to establish and use individual baselines, but it would not be mandatory (the optional use of an

83

Motor gasolines, summer 1980  

SciTech Connect (OSTI)

Analytical data for 2062 samples of motor gasoline were collected from service stations throughout the country and were analyzed in the laboratories of various refiners, motor manufacturers, and chemical companies. The data were submitted to the Bartlesville Energy Technology Center for study, necessary calculations, and compilation under a cooperative agreement between the Bartlesville Energy Technology Center (BETC) and the American Petroleum Institute (API). The samples represent the products of 48 companies, large and small, which manufacture and supply gasoline. These data are tabulated by groups according to brands (unlabeled) and grades for 17 marketing districts into which the country is divided. A map included in this report, shows marketing areas, districts and sampling locations. The report also includes charts indicating the trends of selected properties of motor fuels since 1949. Twelve octane distribution percent charts for areas 1, 2, 3, and 4 for unleaded, regular, and premium grades of gasoline are presented in this report. The anitknock (octane) index ((R + M)/2) averages of gasolines sold in this country were 87.8 for the unleaded below 90.0, 91.6 for the unleaded 90.0 and above, 88.9 for the regular, and 92.8 for the premium grades of gasoline.

Shelton, E.M.

1981-02-01T23:59:59.000Z

84

Motor gasolines, Summer 1982  

SciTech Connect (OSTI)

The samples were collected from service stations throughout the country and were analyzed in the laboratories of various refiners, motor manufacturers, and chemical companies. The analytical data for 796 samples of motor gasoline, were submitted to the Bartlesville Energy Technology Center for study, necessary calculations, and compilation under a cooperative agreement between the Bartlesville Energy Technology Center (BETC) and the American Petroleum Institute (API). They represent the products of 22 companies, large and small, which manufacture and supply gasoline. These data are tabulated by groups according to brands (unlabeled) and grades for 17 marketing districts into which the country is divided. A map included in this report, shows marketing areas, districts and sampling locations. The report also includes charts indicating the trends of selected properties of motor fuels since 1959. Sixteen octane distribution percent charts for areas 1, 2, 3, and 4 for unleaded antiknock index (R + M)/2 below 90.0, unleaded antiknock index (R + M)/2 90.0 and above, leaded antiknock index (R + M)/2 below 93.0, and leaded antiknock index (R + M)/2 93.0 and above grades of gasoline are presented in this report. The antiknock (octane) index (R + M)/2 averages of gasoline sold in this country were 87.3 for unleaded below 90.0, 91.7 for unleaded 90.0 and above, 89.0 for leaded below 93.0, and no data in this report for 93.0 and above grades of leaded gasoline.

Shelton, E.M.

1983-03-01T23:59:59.000Z

85

Regional Retail Gasoline Prices  

Gasoline and Diesel Fuel Update (EIA)

7 7 Notes: Retail gasoline prices, like those for distillate fuels, have hit record prices nationally and in several regions this year. The national average regular gasoline price peaked at $1.68 per gallon in mid-June, but quickly declined, and now stands at $1.45, 17 cents higher than a year ago. Two regions, in particular, experienced sharp gasoline price runups this year. California, which often has some of the highest prices in the nation, saw prices peak near $1.85 in mid-September, while the Midwest had average prices over $1.87 in mid-June. Local prices at some stations in both areas hit levels well over $2.00 per gallon. The reasons for the regional price runups differed significantly. In the Midwest, the introduction of Phase 2 RFG was hampered by low stocks,

86

El Paso Gasoline Prices  

Gasoline and Diesel Fuel Update (EIA)

0 0 Notes: Good morning. IÂ’m glad to be here in El Paso to share some of my agencyÂ’s insights on crude oil and gasoline prices. I represent the Energy Information Administration, the independent statistical and analytical agency within the Department of Energy. My division has the responsibility to monitor petroleum supplies and prices in the United States. As part of that work, we operate a number of surveys on a weekly, monthly, and annual basis. One of these is a weekly survey of retail gasoline prices at about 800 stations nationwide. This survey in particular allows us to observe the differences between local gasoline markets in the United States. While we track relatively few stations in the El Paso area, we have compared our price data with that collected by the El Paso City-County Health and Environmental District and

87

Novel Characterization of GDI Engine Exhaust for Gasoline and Mid-Level Gasoline-Alcohol Blends  

SciTech Connect (OSTI)

Gasoline direct injection (GDI) engines can offer improved fuel economy and higher performance over their port fuel-injected (PFI) counterparts, and are now appearing in increasingly more U.S. and European vehicles. Small displacement, turbocharged GDI engines are replacing large displacement engines, particularly in light-duty trucks and sport utility vehicles, in order for manufacturers to meet more stringent fuel economy standards. GDI engines typically emit the most particulate matter (PM) during periods of rich operation such as start-up and acceleration, and emissions of air toxics are also more likely during this condition. A 2.0 L GDI engine was operated at lambda of 0.91 at typical loads for acceleration (2600 rpm, 8 bar BMEP) on three different fuels; an 87 anti-knock index (AKI) gasoline (E0), 30% ethanol blended with the 87 AKI fuel (E30), and 48% isobutanol blended with the 87 AKI fuel. E30 was chosen to maximize octane enhancement while minimizing ethanol-blend level and iBu48 was chosen to match the same fuel oxygen level as E30. Particle size and number, organic carbon and elemental carbon (OC/EC), soot HC speciation, and aldehydes and ketones were all analyzed during the experiment. A new method for soot HC speciation is introduced using a direct, thermal desorption/pyrolysis inlet for the gas chromatograph (GC). Results showed high levels of aromatic compounds were present in the PM, including downstream of the catalyst, and the aldehydes were dominated by the alcohol blending.

Storey, John Morse [ORNL] [ORNL; Lewis Sr, Samuel Arthur [ORNL] [ORNL; Szybist, James P [ORNL] [ORNL; Thomas, John F [ORNL] [ORNL; Barone, Teresa L [ORNL] [ORNL; Eibl, Mary A [ORNL] [ORNL; Nafziger, Eric J [ORNL] [ORNL; Kaul, Brian C [ORNL] [ORNL

2014-01-01T23:59:59.000Z

88

Is the gasoline tax regressive?  

E-Print Network [OSTI]

Claims of the regressivity of gasoline taxes typically rely on annual surveys of consumer income and expenditures which show that gasoline expenditures are a larger fraction of income for very low income households than ...

Poterba, James M.

1990-01-01T23:59:59.000Z

89

Identification and Digital Control of a Turbo-charged Marine Diesel Engine  

Science Journals Connector (OSTI)

This paper describes the identification of the dynamic response of a turbocharged marine diesel engine using parameter estimation techniques. The implementation of...

J. D. Forrest

1989-01-01T23:59:59.000Z

90

Gasoline Jet Fuels  

E-Print Network [OSTI]

C4n= Diesel Gasoline Jet Fuels C O C5: Xylose C6 Fermentation of sugars Biofuel "Nanobowls" are inorganic catalysts that could provide the selectivity for converting sugars to fuels IACT Proposes Synthetic, Inorganic Catalysts to Produce Biofuels Current Process

Kemner, Ken

91

Motor gasolines, summer 1981  

SciTech Connect (OSTI)

The samples were collected from service stations throughout the country and were analyzed in the laboratories of various refiners, motor manufacturers, and chemical companies. The analytical data for 715 samples of motor gasoline were submitted to the Bartlesville Energy Technology Center for study, necessary calculations, and compilation under a cooperative agreement between the Bartlesville Energy Technology Center (BETC) and the American Petroleum Institute (API). They represent the products of 33 companies, large and small, which manufacture and supply gasoline. These data are tabulated by groups according to brands (unlabeled) and grades for 17 marketing included in this report shows marketing districts into which the country is divided. A map included in this report shows marketing areas, districts and sampling locations. The report also includes charts indicating the trends of selected properties of motor fuels since 1959. Sixteen octane distribution percent charts for areas 1, 2, 3, and 4 for unleaded antiknock index (R+M)/2 below 90.0, unleaded antiknock index (R+M)/2 90.0 and above, leaded antiknock index (R+M)/2 below 93.0, and leaded antiknock index (R+M)/2 93.0 and above grades of gasoline are presented in this report. The antiknock (octane) index (R+M)/2 averages of gasoline sold in this country were 87.4 for unleaded below 90.0, 91.3 for unleaded 90.0 and above, 89.0 for leaded below 93.0, and no data in this report for 93.0 and above grades of leaded gasoline.

Shelton, E.M.

1982-04-01T23:59:59.000Z

92

MTBE, Oxygenates, and Motor Gasoline  

Gasoline and Diesel Fuel Update (EIA)

MTBE, Oxygenates, and MTBE, Oxygenates, and Motor Gasoline Contents * Introduction * Federal gasoline product quality regulations * What are oxygenates? * Who gets gasoline with oxygenates? * Which areas get MTBE? * How much has been invested in MTBE production capacity? * What does new Ethanol capacity cost? * What would an MTBE ban cost? * On-line information resources * Endnotes * Summary of revisions to this analysis Introduction The blending of methyl tertiary butyl ether (MTBE) into motor gasoline has increased dramatically since it was first produced 20 years ago. MTBE usage grew in the early 1980's in response to octane demand resulting initially from the phaseout of lead from gasoline and later from rising demand for premium gasoline. The oxygenated gasoline program stimulated an

93

Gasoline and Diesel Fuel Update  

Gasoline and Diesel Fuel Update (EIA)

Gasoline Sampling Methodology Gasoline Sampling Methodology The sample for the Motor Gasoline Price Survey was drawn from a frame of approximately 115,000 retail gasoline outlets. The gasoline outlet frame was constructed by combining information purchased from a private commercial source with information contained on existing EIA petroleum product frames and surveys. Outlet names, and zip codes were obtained from the private commercial data source. Additional information was obtained directly from companies selling retail gasoline to supplement information on the frame. The individual frame outlets were mapped to counties using their zip codes. The outlets were then assigned to the published geographic areas as defined by the EPA program area, or for conventional gasoline areas, as defined by the Census Bureau's Standard Metropolitan

94

Gasoline Prices: What is Happening?  

Gasoline and Diesel Fuel Update (EIA)

Gasoline Prices: What is Happening? Gasoline Prices: What is Happening? 5/10/01 Click here to start Table of Contents Gasoline Prices: What is Happening? Retail Motor Gasoline Price* Forecast Doesn't Reflect Potential Volatility Midwest Looking Like Last Year RFG Responding More Strongly Gasoline Prices Vary Among Locations.Retail Regular Gasoline Price, Cents per Gallon May 8, 2001 Crude Oil Affects Gasoline Prices WTI Crude Oil Prices Are Expected To Remain Relatively High Through At Least 2001 Low Total OECD Oil Stocks* Keep Market Balance Tight Low U.S. Stocks Indicate Tight U.S. Market Regional Inventories Tight Product Balance Pushes Up Product Spread (Spot Product - Crude Price) "New Factor" Contributing to Volatility: Excess Capacity is Gone Regional Refinery Utilization Shows Gulf Coast Pressure

95

Fuel excise taxes and consumer gasoline demand: comparing average retail price effects and gasoline tax effects .  

E-Print Network [OSTI]

??Interest in using gasoline taxes as a gasoline consumption reduction policy has increased. This study asks three questions to help determine how consumer gasoline consumption… (more)

Sauer, William

2007-01-01T23:59:59.000Z

96

Mass Flow Estimation with Model Bias Correction for a Turbocharged Diesel Engine  

E-Print Network [OSTI]

Mass Flow Estimation with Model Bias Correction for a Turbocharged Diesel Engine Tomás Polóni. Based on an augmented observable Mean Value En- gine Model (MVEM) of a turbocharged Diesel engine in the intake duct. Keywords: Diesel engine, Mass flow estimation, Bias estimation, Kalman filtering, Mean value

Johansen, Tor Arne

97

Adaptive Air Charge Estimation for Turbocharged Diesel Engines without Exhaust Gas Recirculation  

E-Print Network [OSTI]

Adaptive Air Charge Estimation for Turbocharged Diesel Engines without Exhaust Gas Recirculation an adaptive observer for in-cylinder air charge estimation for turbocharged diesel engines without exhaust gas (734) 764-4256 1 #12;Storset et al.- Adaptive Air Charge Est. for TC Diesel Engines 2 1 Introduction

Stefanopoulou, Anna

98

Control-Oriented Linear Parameter-Varying Modelling of a Turbocharged Diesel Engine  

E-Print Network [OSTI]

Control-Oriented Linear Parameter-Varying Modelling of a Turbocharged Diesel Engine Merten Jung-- In this paper, a third order nonlinear model of the airpath of a turbocharged diesel engine is derived, which nonlinear airpath model of the diesel engine will be described in Section III. The model will be derived

Cambridge, University of

99

Effect of Intake Air Filter Condition on Light-Duty Gasoline Vehicles  

SciTech Connect (OSTI)

Proper maintenance can help vehicles perform as designed, positively affecting fuel economy, emissions, and the overall drivability. This effort investigates the effect of one maintenance factor, intake air filter replacement, with primary focus on vehicle fuel economy, but also examining emissions and performance. Older studies, dealing with carbureted gasoline vehicles, have indicated that replacing a clogged or dirty air filter can improve vehicle fuel economy and conversely that a dirty air filter can be significantly detrimental to fuel economy. The effect of clogged air filters on the fuel economy, acceleration and emissions of five gasoline fueled vehicles is examined. Four of these were modern vehicles, featuring closed-loop control and ranging in model year from 2003 to 2007. Three vehicles were powered by naturally aspirated, port fuel injection (PFI) engines of differing size and cylinder configuration: an inline 4, a V6 and a V8. A turbocharged inline 4-cylinder gasoline direct injection (GDI) engine powered vehicle was the fourth modern gasoline vehicle tested. A vintage 1972 vehicle equipped with a carburetor (open-loop control) was also examined. Results reveal insignificant fuel economy and emissions sensitivity of modern vehicles to air filter condition, but measureable effects on the 1972 vehicle. All vehicles experienced a measured acceleration performance penalty with clogged intake air filters.

Thomas, John F [ORNL] [ORNL; Huff, Shean P [ORNL] [ORNL; West, Brian H [ORNL] [ORNL; Norman, Kevin M [ORNL] [ORNL

2012-01-01T23:59:59.000Z

100

Fractionation of reformate: A new variant of gasoline production technology  

SciTech Connect (OSTI)

The Novo-Ufa Petroleum Refinery is the largest domestic producer of the unique high-octane unleaded automotive gasolines AI-93 and AI-95 and the aviation gasolines B-91/115 and B-92. The base component for these gasolines is obtained by catalytic reforming of wide-cut naphtha; this basic component is usually blended with certain other components that are expensive and in short supply: toluene, xylenes, and alkylate. For example, the unleaded gasoline AI-93 has been prepared by blending reformate, alkylate, and toluene in a 65:20:15 weight ratio; AI-95 gasoline by blending alkylate and xylenes in an 80:20 weight ratio; and B-91/115 gasoline by compounding a reformate obtained with light straight-run feed, plus alkylate and toluene, in a 55:35:10 weight ratio. Toluene and xylenes have been obtained by process schemes that include the following consecutive processes: redistillation of straight-run naphtha cuts to segregate the required narrow fraction; catalytic reforming (Platforming) of the narrow toluene-xylene straight-run fraction; azeotropic distillation of the reformate to recover toluene and xylenes. A new technology based on the use of reformate fractions is proposed.

Karakuts, V.N.; Tanatarov, M.A.; Telyashev, G.G. [and others

1995-07-01T23:59:59.000Z

Note: This page contains sample records for the topic "ratio turbocharged gasoline" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


101

A Natural Gas, High Compression Ratio, High Efficiency ICRE ...  

Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

A Natural Gas, High Compression Ratio, High Efficiency ICRE A Natural Gas, High Compression Ratio, High Efficiency ICRE Using natural gas and gasoline modeling, indications are...

102

EIS-0039: Motor Gasoline Deregulation and the Gasoline Tilt  

Broader source: Energy.gov [DOE]

The Economic Regulatory Administration developed this EIS to evaluate the environmental impacts, including social and economic impacts, that may result from either of two proposed regulatory changes: (1) the exemption of motor gasoline from the Department of Energy's Mandatory Petroleum Price and Allocation Regulations, and (2) the adoption of the gasoline tilt, a proposed regulation that would allow refiners to recover an additional amount of their total increased costs on gasoline.

103

Gasoline and Diesel Fuel Update  

Gasoline and Diesel Fuel Update (EIA)

Methodology For Gasoline and Diesel Fuel Pump Components Methodology For Gasoline and Diesel Fuel Pump Components The components for the gasoline and diesel fuel pumps are calculated in the following manner in cents per gallon and then converted into a percentage: Crude Oil - the monthly average of the composite refiner acquisition cost, which is the average price of crude oil purchased by refiners. Refining Costs & Profits - the difference between the monthly average of the spot price of gasoline or diesel fuel (used as a proxy for the value of gasoline or diesel fuel as it exits the refinery) and the average price of crude oil purchased by refiners (the crude oil component). Distribution & Marketing Costs & Profits - the difference between the average retail price of gasoline or diesel fuel as computed from EIA's

104

Gasoline Price Pass-through  

Gasoline and Diesel Fuel Update (EIA)

Gasoline Price Pass-through Gasoline Price Pass-through January 2003 by Michael Burdette and John Zyren* The single most visible energy statistic to American consumers is the retail price of gasoline. While the average consumer probably has a general notion that gasoline prices are related to those for crude oil, he or she likely has little idea that gasoline, like most other goods, is priced at many different levels in the marketing chain, and that changes ripple through the system as prices rise and fall. When substantial price changes occur, especially upward, there are often allegations of impropriety, even price gouging, on the part of petroleum refiners and/or marketers. In order to understand the movement of gasoline prices over time, it is necessary to examine the relationship between prices at retail and various wholesale levels.

105

Gasoline Ultra Fuel Efficient Vehicle  

Broader source: Energy.gov (indexed) [DOE]

Principal Investigator 13MY11 2011 DOE Vehicle Technologies Review Gasoline Ultra Fuel Efficient Vehicle ACE064 "This presentation does not contain any proprietary,...

106

Application of hybrid EGR systems to turbocharged GDI engines  

Science Journals Connector (OSTI)

In a hybrid exhaust gas recirculation system, high-pressure EGR is combined with low-pressure EGR. As BorgWarner demonstrates, proven technology from diesel engines can also be used for gasoline engines in ord...

David Roth; Rolf Sauerstein; Dr.-Ing. Michael Becker; Rob Meilinger

2010-04-01T23:59:59.000Z

107

Development of combustion instability and noise during starting of a truck turbocharged diesel engine  

Science Journals Connector (OSTI)

In the current study, experimental tests were conducted on a truck turbocharged diesel engine to investigate the mechanisms of combustion noise radiation and combustion instability during various starting schedules experienced in daily driving conditions, namely under cold and hot operations. To this aim, a fully instrumented test bed was set up to capture the development of key engine and turbocharger properties. Analytical diagrams are provided to explain the behaviour of combustion instability and noise radiation in conjunction with all relevant parameters, such as cylinder pressure and pressure spectrum, turbocharger and governor/fuel pump response.

Evangelos G. Giakoumis; Athanasios M. Dimaratos

2012-01-01T23:59:59.000Z

108

The Modified Phan-Thien and Tanner model applied to turbochargers thrust bearing  

Science Journals Connector (OSTI)

ABSTRACT In this paper, an unsteady thermohydrodynamic formulation of a turbocharger’s thrust bearing contact is presented. The Modified Phan-Thien and Tanner model takes into account complex rheological characteristics of the lubricant, transient aspects and inertia effects due to the very high rotational speed. An extensive rheological testing campaign was performed to get data as input for the numerical model. The results obtained from this model are compared to experimental data provided by a thrust bearing rig. It shows acceptable correlation between prediction and test data of axial thrust load versus thrust bearing oil film thickness for two typical turbocharger frame sizes.

B. Rémy; T. Lamquin; B. Bou-Saďd

2014-01-01T23:59:59.000Z

109

Gasoline and Diesel Fuel Update  

Gasoline and Diesel Fuel Update (EIA)

Learn more... Learn more... Price trends and regional differences What causes fluctuations in motor gasoline prices? Retail gasoline prices are mainly affected by crude oil prices and the level of gasoline supply relative to demand. Strong and increasing demand for gasoline and other petroleum products in the United States and the rest of the world at times places intense pressure on available supplies. Even when crude oil prices are stable... read more in Gasoline Explained What causes fluctuations in diesel fuel oil prices? The retail price of a gallon of diesel fuel reflects the underlying costs and profits (or losses) of producing and delivering the product to customers. The price of diesel at the pump reflects the costs and profits of the entire production and distribution chain, including... read more in

110

California Gasoline Price Study  

Gasoline and Diesel Fuel Update (EIA)

DIRECTOR, PETROLEUM DIVISION DIRECTOR, PETROLEUM DIVISION ENERGY INFORMATION ADMINISTRATION U.S. DEPARTMENT OF ENERGY BEFORE THE SUBCOMMITTEE ON ENERGY AND RESOURCES COMMITTEE ON GOVERNMENT REFORM U.S. HOUSE OF REPRESENTATIVES MAY 9, 2005 Mr. Chairman, I appreciate this opportunity to testify today on the Energy Information Administration's (EIA) insights into factors affecting recent gasoline prices. EIA is the statutorily chartered statistical and analytical agency within the U.S. Department of Energy. We are charged with providing objective, timely, and relevant data, analysis, and projections for the use of the Department of Energy, other Government agencies, the U.S. Congress, and the public. We produce data and analysis reports that are meant to assist policy makers in determining energy policy. Because we have an element of

111

Use of a Thermodynamic Engine Cycle Simulation to Study a Turbocharged Spark-ignition Engine  

E-Print Network [OSTI]

indicated that turbocharger does not add considerably to the overall irreversibilities and combustion irreversibility is still the major source of exergy destruction. A comprehensive parametric investigation was also performed to investigate the effects...

Lawand, Vaibhav

2010-07-14T23:59:59.000Z

112

Turbocharged engine operations using knock resistant fuel blends for engine efficiency improvements  

E-Print Network [OSTI]

Engine downsizing with a turbocharger has become popular these days in automotive industries. Downsizing the engine lets the engine operate in a more efficient region, and the engine boosting compensates for the power loss ...

Jo, Young Suk

2013-01-01T23:59:59.000Z

113

Variable geometry exhaust manifold turbocharging system for an 8-cylinder marine diesel engine  

Science Journals Connector (OSTI)

The variable geometry exhaust manifold (VGEM) turbocharging system can realize the switch between two charging modes by the switching valve, and it can give a good performance both at the high load operation and ...

Lei Shi; Shaoming Wang; Kangyao Deng; Yi Cui

2012-06-01T23:59:59.000Z

114

Gasoline Prices Also Influenced by Regional Gasoline Product Markets  

Gasoline and Diesel Fuel Update (EIA)

1 1 Notes: Next we examine the wholesale market's added contribution to gasoline price variation and analyze the factors that impact the gasoline balance. There are two points to take away from this chart: The U.S. market moves with the world market, as can be seen with the high inventories in 1998, being drawn down to low levels during 1999. Crude and product markets are not independent. Crude oil and product markets move together fairly closely, with some lead/lag effects during transitions. The relationship between international crude oil markets and domestic product markets raises another issue. A subtle, but very important point, lost in recent discussions of gasoline price increases: The statement has been made that crude markets are not a factor in this past spring's high gasoline prices, since crude prices were

115

Turbocharger with variable nozzle having vane sealing surfaces  

DOE Patents [OSTI]

A variable nozzle for a turbocharger includes a plurality of vanes rotatably mounted on a nozzle ring and disposed in a nozzle flow path defined between the nozzle ring and an opposite nozzle wall. Either or both of the faces of the nozzle ring and nozzle wall include(s) at least one step that defines sealing surfaces positioned to be substantially abutted by airfoil surfaces of the vanes in the closed position of the vanes and to be spaced from the airfoil surfaces in positions other than the closed position. This substantial abutment between the airfoil surfaces and the sealing surfaces serves to substantially prevent exhaust gas from leaking past the ends of the airfoil portions. At the same time, clearances between the nozzle ring face and the end faces of the airfoil portions can be sufficiently large to prevent binding of the vanes under all operating conditions.

Arnold, Philippe (Hennecourt, FR); Petitjean, Dominique (Julienrupt, FR); Ruquart, Anthony (Thaon les Vosges, FR); Dupont, Guillaume (Thaon les Vosges, FR); Jeckel, Denis (Thaon les Vosges, FR)

2011-11-15T23:59:59.000Z

116

Continuously proportional variable geometry turbocharger system and method of control  

SciTech Connect (OSTI)

This patent describes a system for performing closed loop control of a variable geometry turbocharger (VGT) utilized in an internal combustion engine. It comprises VGT actuator means for changing the geometric configuration of the VGT in response to an actuator control signal; sensor means for detecting selected engine operating parameters including a VGT actuator parameter and an engine intake manifold parameter, and generating output signals representative thereof; means for outputting a target VGT actuator parameter value and a target intake manifold parameter valve based on the values of selected sensor means output signals; means for determining whether the engine is in a steady state or a transient state of operation based on the values of selected sensor means output signals; and means for developing an actuator control signal based on one of the target parameter values as a function of the determined engine operating state.

Younessi, R.; Rini, G.T.

1992-06-23T23:59:59.000Z

117

Turbocharger with sliding piston, and having vanes and leakage dams  

DOE Patents [OSTI]

A turbocharger having a sliding piston for regulating exhaust gas flow into the turbine wheel includes a set of first vanes mounted on a fixed first wall of the turbine nozzle and projecting axially toward an opposite second wall of the nozzle, and/or a set of second vanes mounted on the end of the piston and projecting in an opposite axial direction toward the first wall of the nozzle. For the/each set of vanes, there are leakage dams formed on the wall that is adjacent the vane tips when the piston is closed. The leakage dams are closely adjacent the vane tips and discourage exhaust gas from leaking in a generally radial direction past the vane tips as the piston just begins to open from its fully closed position.

Roberts, Quentin (Nancy, FR); Alnega, Ahmed (Thaon Les Vosges, FR)

2011-12-06T23:59:59.000Z

118

Gasoline and Diesel Fuel Update  

Gasoline and Diesel Fuel Update (EIA)

Gasoline Price Data Collection Procedures Gasoline Price Data Collection Procedures Every Monday, retail prices for all three grades of gasoline are collected by telephone from a sample of approximately 800 retail gasoline outlets. The prices are published around 5:00 p.m. ET Monday, except on government holidays, when the data are released on Tuesday (but still represent Monday's price). The reported price includes all taxes and is the pump price paid by a consumer as of 8:00 A.M. Monday. This price represents the self-serve price except in areas having only full-serve. The price data are used to calculate weighted average price estimates at the city, state, regional and national levels using sales and delivery volume data from other EIA surveys and population estimates from the Bureau of Census.

119

Gasoline Prices at Historical Lows  

Gasoline and Diesel Fuel Update (EIA)

0 0 Notes: Before looking at El Paso gasoline prices, letÂ’s take a minute to look at the U.S. average price for context. Gasoline prices this year, adjusted for inflation, are the lowest ever. Back in March, before prices began to rise ahead of the traditional high-demand season, the U.S. average retail price fell to $1.00 per gallon. Prices rose an average of 7.5 cents, less than the typical seasonal runup, to peak in early June. Since then, prices have fallen back to $1.013. Given recent declines in crude oil and wholesale gasoline prices, we expect retail prices to continue to ease over at least the next few weeks. Since their sharp runup during the energy crises of the 1970Â’s, gasoline prices have actually been non-inflationary. Adjusting the historical prices by the Consumer Price Index, we can see that todayÂ’s

120

Gasoline Price Pass-through  

Gasoline and Diesel Fuel Update (EIA)

differences, whereas stationary series can be estimated in level form. The unit root test could not reject the hypothesis that the retail and spot gasoline price series have a...

Note: This page contains sample records for the topic "ratio turbocharged gasoline" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


121

Refiner Prices of Gasoline, All Grades - Sales to End Users  

U.S. Energy Information Administration (EIA) Indexed Site

Product/ Sales Type: Gasoline, All Grades - Sales to End Users (U.S. only) Gasoline, All Grades - Through Retail Outlets Gasoline, All Grades - Other End Users Gasoline, All Grades - Sales for Resale Gasoline, All Grades - DTW (U.S. only) Gasoline, All Grades - Rack (U.S. only) Gasoline, All Grades - Bulk (U.S. only) Regular Gasoline - Sales to End Users (U.S. only) Regular Gasoline - Through Retail Outlets Regular Gasoline - Other End Users Regular Gasoline - Sales for Resale Regular Gasoline - DTW (U.S. only) Regular Gasoline - Rack (U.S. only) Regular Gasoline - Bulk (U.S. only) Midgrade Gasoline - Sales to End Users (U.S. only) Midgrade Gasoline - Through Retail Outlets Midgrade Gasoline - Other End Users Midgrade Gasoline - Sales for Resale Midgrade Gasoline - DTW (U.S. only) Midgrade Gasoline - Rack (U.S. only) Midgrade Gasoline - Bulk (U.S. only) Premium - Sales to End Users (U.S. only) Premium Gasoline - Through Retail Outlets Premium Gasoline - Other End Users Premium Gasoline - Sales for Resale Premium Gasoline - DTW (U.S. only) Premium Gasoline - Rack (U.S. only) Premium Gasoline - Bulk (U.S. only) Period: Monthly Annual

122

Comparing air quality impacts of hydrogen and gasoline  

E-Print Network [OSTI]

from among existing gasoline station locations in Sacra-VOC emitted at gasoline service stations, because these arethe gasoline terminal storage and refueling stations, it is

Sperling, Dan; Wang, Guihua; Ogden, Joan M.

2008-01-01T23:59:59.000Z

123

Path to High Efficiency Gasoline Engine | Department of Energy  

Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

Path to High Efficiency Gasoline Engine Path to High Efficiency Gasoline Engine Path to High Efficiency Gasoline Engine deer10johansson.pdf More Documents & Publications Partially...

124

The Performance of Gasoline Fuels and Surrogates in Gasoline HCCI Combustion  

Broader source: Energy.gov [DOE]

Almost 2 dozen gasoline fuels, blending components, and surrogates were evaluated in a single-cylinder HCCI gasoline engine for combustion, emissions, and efficiency performance.

125

Price of Motor Gasoline Through Retail Outlets  

Gasoline and Diesel Fuel Update (EIA)

Prices, Sales Volumes & Stocks by State Prices, Sales Volumes & Stocks by State (Dollars per Gallon Excluding Taxes) Data Series: Retail Price - Motor Gasoline Retail Price - Regular Gasoline Retail Price - Midgrade Gasoline Retail Price - Premium Gasoline Retail Price - Aviation Gasoline Retail Price - Kerosene-Type Jet Fuel Retail Price - Propane Retail Price - Kerosene Retail Price - No. 1 Distillate Retail Price - No. 2 Distillate Retail Price - No. 2 Fuel Oil Retail Price - No. 2 Diesel Fuel Retail Price - No. 4 Fuel Oil Prime Supplier Sales - Motor Gasoline Prime Supplier Sales - Regular Gasoline Prime Supplier Sales - Midgrade Gasoline Prime Supplier Sales - Premium Gasoline Prime Supplier Sales - Aviation Gasoline Prime Supplier Sales - Kerosene-Type Jet Fuel Prime Supplier Sales - Propane (Consumer Grade) Prime Supplier Sales - Kerosene Prime Supplier Sales - No. 1 Distillate Prime Supplier Sales - No. 2 Distillate Prime Supplier Sales - No. 2 Fuel Oil Prime Supplier Sales - No. 2 Diesel Fuel Prime Supplier Sales - No. 4 Fuel Oil Prime Supplier Sales - Residual Fuel Oil Stocks - Finished Motor Gasoline Stocks - Reformulated Gasoline Stocks - Conventional Gasoline Stocks - Motor Gasoline Blending Components Stocks - Kerosene Stocks - Distillate Fuel Oil Stocks - Distillate F.O., 15 ppm and under Sulfur Stocks - Distillate F.O., Greater than 15 to 500 ppm Sulfur Stocks - Distillate F.O., Greater 500 ppm Sulfur Stocks - Residual Fuel Oil Stocks - Propane/Propylene Period: Monthly Annual

126

Gasoline and Diesel Fuel Update  

Gasoline and Diesel Fuel Update (EIA)

Procedures, Methodology, and Coefficients of Variation Procedures, Methodology, and Coefficients of Variation Gasoline Price Data Collection Procedures Every Monday, retail prices for all three grades of gasoline are collected by telephone from a sample of approximately 800 retail gasoline outlets. The prices are published around 5:00 p.m. ET Monday, except on government holidays, when the data are released on Tuesday (but still represent Monday's price). The reported price includes all taxes and is the pump price paid by a consumer as of 8:00 A.M. Monday. This price represents the self-serve price except in areas having only full-serve. The price data are used to calculate weighted average price estimates at the city, state, regional and national levels using sales and delivery volume data from other EIA surveys and population estimates from the Bureau of Census.

127

Gasoline Prices Vary Among Locations  

Gasoline and Diesel Fuel Update (EIA)

5 5 Notes: The public is probably more knowledgeable about what they pay for gasoline than about anything else they use regularly. Most Americans are bombarded several times a day with the price of gasoline. Many people who phone our office don't only want to know why prices have risen, but why their prices are different than prices in some other area - the gasoline station two blocks away, the average price quoted on the news, the price their uncle is paying in a different region of the country. This chart shows some of the different state averages for a specific month. Besides taxes, these differences are due to factors such as distance from refining sources, and mix of reformulated versus conventional fuels. What this snapshot does not show,is that all of these prices can

128

Motor Gasoline Outlook and State MTBE Bans  

Gasoline and Diesel Fuel Update (EIA)

Motor Gasoline Outlook Motor Gasoline Outlook and State MTBE Bans Tancred Lidderdale Contents 1. Summary 2. MTBE Supply and Demand 3. Ethanol Supply 4. Gasoline Supply 5. Gasoline Prices A. Long-Term Equilibrium Price Analysis B. Short-Term Price Volatility 6. Conclusion 7. Appendix A. Estimating MTBE Consumption by State 8. Appendix B. MTBE Imports and Exports 9. Appendix C. Glossary of Terms 10. End Notes 11. References 1. Summary The U.S. is beginning the summer 2003 driving season with lower gasoline inventories and higher prices than last year. Recovery from this tight gasoline market could be made more difficult by impending State bans on the blending of methyl tertiary butyl ether (MTBE) into gasoline that are scheduled to begin later this year. Three impending State bans on MTBE blending could significantly affect gasoline

129

STEO January 2013 - average gasoline prices  

U.S. Energy Information Administration (EIA) Indexed Site

gasoline prices are expected to decline over the next two years. The average pump price for regular unleaded gasoline was 3.63 a gallon during 2012. That is expected to fall...

130

Household gasoline demand in the United States  

E-Print Network [OSTI]

Continuing rapid growth in U.S. gasoline consumption threatens to exacerbate environmental and congestion problems. We use flexible semiparametric and nonparametric methods to guide analysis of household gasoline consumption, ...

Schmalensee, Richard

1995-01-01T23:59:59.000Z

131

A computational study of compressor surge during transient operation of turbocharged diesel engines  

Science Journals Connector (OSTI)

The transient response of turbocharged diesel engines is of great importance, especially when compressor surge is likely to occur. Turbocharger compressor surge is a dynamic instability mode that can generate air mass flow rate and pressure rise oscillations of large amplitude, and may also induce severe torsional loading to the turbocharger shaft. In this paper, an effort is made to study by simulation the effect of various parameters on the compressor surge behaviour. By varying these parameters, it can be revealed how compressor surge is affected and how surge intensity is influenced. To this aim, a simulation program developed is used for transient operation runs, which are critical for surge appearance. This has been applied on a six-cylinder, diesel engine of marine duty. The model has a control-design oriented philosophy and is capable of identifying the impact of each parameter on compressor surge. Thus, it can prove a useful tool to the engine designer.

C.D. Rakopoulos; C.N. Michos; E.G. Giakoumis

2007-01-01T23:59:59.000Z

132

Variable-geometry turbocharger with asymmetric divided volute for engine exhaust gas pulse optimization  

DOE Patents [OSTI]

A turbine assembly for a variable-geometry turbocharger includes a turbine housing defining a divided volute having first and second scrolls, wherein the first scroll has a substantially smaller volume than the second scroll. The first scroll feeds exhaust gas to a first portion of a turbine wheel upstream of the throat of the wheel, while the second scroll feeds gas to a second portion of the wheel at least part of which is downstream of the throat. Flow from the second scroll is regulated by a sliding piston. The first scroll can be optimized for low-flow conditions such that the turbocharger can operate effectively like a small fixed-geometry turbocharger when the piston is closed. The turbine housing defines an inlet that is divided by a dividing wall into two portions respectively feeding gas to the two scrolls, a leading edge of the dividing wall being downstream of the inlet mouth.

Serres, Nicolas (Epinal, FR)

2010-11-09T23:59:59.000Z

133

Quantitative feedback design of air and boost pressure control system for turbocharged diesel engines  

Science Journals Connector (OSTI)

For modern diesel engines, variable geometry turbocharger (VGT) is used to boost engine power output. In addition, exhaust gas recirculation (EGR) is utilized to reduce engine out \\{NOx\\} emission. To realize these functions, a multivariable control system needs to control both VGT and EGR valve to deliver desired intake manifold (or boost) pressure, and desired EGR flow rate. This two-input and two-output system is nonlinear with cross-couplings between the boost and EGR responses to the input actuators, the system parameters are varying with different engine operating conditions. This paper proposes a closed loop design of a multivariable VGT/EGR control system for a turbocharged diesel engine. The control system is synthesized based on quantitative feedback theory to maintain robust stability and performance via sequential MIMO loop shaping in the frequency domain. Experiment results are included from a turbocharged diesel engine to show the effectiveness of the proposed control design.

Yue-Yun Wang; Ibrahim Haskara; Oded Yaniv

2011-01-01T23:59:59.000Z

134

What Drives U.S. Gasoline Prices?  

Annual Energy Outlook 2013 [U.S. Energy Information Administration (EIA)]

weekly gasoline spot price 2011-14 ... 15 Table 3. Dickey-Fuller test and autocorrelogram results ......

135

Motor Gasoline Outlook and State MTBE Bans  

Reports and Publications (EIA)

The U.S. is beginning the summer 2003 driving season with lower gasoline inventories and higher prices than last year. Recovery from this tight gasoline market could be made more difficult by impending state bans on the blending of methyl tertiary butyl ether (MTBE) into gasoline that are scheduled to begin later this year.

2003-01-01T23:59:59.000Z

136

Microsoft Word - Gasoline_2008 Supplement.doc  

Gasoline and Diesel Fuel Update (EIA)

8 8 1 April 2008 Short-Term Energy Outlook Supplement: Motor Gasoline Consumption 2008 A Historical Perspective and Short-Term Projections 1 Highlights * Income growth rates have less of an impact on recent trends in gasoline consumption than in the past, but short-run effects are still significant. * High gasoline prices are once again motivating drivers to conserve by driving less and purchasing more fuel-efficient transportation. * The increasing share of lower-Btu-content ethanol has contributed to a growing divergence between volume-based and energy-content-based measures of trends in gasoline consumption. * Consumer sensitivity to gasoline price changes increases during periods when

137

The latest trend of turbocharging technologies for emissions compliance and fuel economy  

Science Journals Connector (OSTI)

Abstract The recent developments in turbocharging technology play a vital role for engine manufacturers in order to meet the market demand for fuel economy and to comply with local emissions regulations. It is becoming more difficult for an engine manufacturer to decide on the best turbocharging system for their application. Wastegate, variable geometry, two-stage, sequential and turbocompound systems all have their merits and compromises but choosing the best option for each application requires significant knowledge and analysis. This paper provides an overview of different turbocharging systems and its merits and compromises involved in each solution to suit a particular engine application. More emphasis is given to the use of variable geometry turbocharger systems and two stage sequential charging systems because of their ability to provide higher boosting pressure at low engine speeds and better transient response. The introduction of legislation to reduce CO2 emissions is currently driving the passenger car and heavy duty engine market to explore different options of waste heat recovery methods. This paper briefly describes waste heat recovery systems like turbocompound and their potential for fuel economy improvement.

G. Subramanian; M. Jondhale

2011-01-01T23:59:59.000Z

138

Explicit-Ready Nonlinear Model Predictive Control for Turbocharged Spark-Ignited Engines  

E-Print Network [OSTI]

Explicit-Ready Nonlinear Model Predictive Control for Turbocharged Spark- Ignited Engines J. El with saturated actuators. In this context, the need for model-based control laws is greater than ever with saturated actuators. In this paper, we evaluate the benefits of a nonlinear model predictive control (NMPC

Paris-Sud XI, Université de

139

Two air path observers for turbocharged SI engines with Guillaume Colina,  

E-Print Network [OSTI]

, and an efficient control of the air actuators is required for engine torque control. Two non-linear estimators decreases pollutants emission, especially nitrogen oxides (NOx). 1.2. System description The air intakeTwo air path observers for turbocharged SI engines with VCT Guillaume Colina, , G´erard Blochb

Paris-Sud XI, Université de

140

Envera Variable Compression Ratio Engine  

SciTech Connect (OSTI)

Aggressive engine downsizing, variable compression ratio and use of the Atkinson cycle are being combined to improve fuel economy by up to 40 percent relative to port fuel injected gasoline engines, while maintaining full engine power. Approach Engine downsizing is viewed by US and foreign automobile manufacturers as one of the best options for improving fuel economy. While this strategy has already demonstrated a degree of success, downsizing and fuel economy gains are currently limited. With new variable compression ratio technology however, the degree of engine downsizing and fuel economy improvement can be greatly increased. A small variable compression ratio (VCR) engine has the potential to return significantly higher vehicle fuel economy while also providing high power. Affordability and potential for near term commercialization are key attributes of the Envera VCR engine. VCR Technology To meet torque and power requirements, a smaller engine needs to do more work per stroke. This is typically accomplished by boosting the incoming charge with either a turbo or supercharger so that more energy is present in the cylinder per stroke to do the work. With current production engines the degree of engine boosting (which correlates to downsizing) is limited by detonation (combustion knock) at high boost levels. Additionally, the turbo or supercharger needs to be responsive and efficient while providing the needed boost. VCR technology eliminates the limitation of engine knock at high load levels by reducing compression ratio to {approx}9:1 (or whatever level is appropriate) when high boost pressures are needed. By reducing the compression ratio during high load demand periods there is increased volume in the cylinder at top dead center (TDC) which allows more charge (or energy) to be present in the cylinder without increasing the peak pressure. Cylinder pressure is thus kept below the level at which the engine would begin to knock. When loads on the engine are low the compression ratio can be raised (to as much as 18:1) providing high engine efficiency. It is important to recognize that for a well designed VCR engine cylinder pressure does not need to be higher than found in current production turbocharged engines. As such, there is no need for a stronger crankcase, bearings and other load bearing parts within the VCR engine. The Envera VCR mechanism uses an eccentric carrier approach to adjust engine compression ratio. The crankshaft main bearings are mounted in this eccentric carrier or 'crankshaft cradle' and pivoting the eccentric carrier 30 degrees adjusts compression ratio from 9:1 to 18:1. The eccentric carrier is made up of a casting that provides rigid support for the main bearings, and removable upper bearing caps. Oil feed to the main bearings transits through the bearing cap fastener sockets. The eccentric carrier design was chosen for its low cost and rigid support of the main bearings. A control shaft and connecting links are used to pivot the eccentric carrier. The control shaft mechanism features compression ratio lock-up at minimum and maximum compression ratio settings. The control shaft method of pivoting the eccentric carrier was selected due to its lock-up capability. The control shaft can be rotated by a hydraulic actuator or an electric motor. The engine shown in Figures 3 and 4 has a hydraulic actuator that was developed under the current program. In-line 4-cylinder engines are significantly less expensive than V engines because an entire cylinder head can be eliminated. The cost savings from eliminating cylinders and an entire cylinder head will notably offset the added cost of the VCR and supercharging. Replacing V6 and V8 engines with in-line VCR 4-cylinder engines will provide high fuel economy at low cost. Numerous enabling technologies exist which have the potential to increase engine efficiency. The greatest efficiency gains are realized when the right combination of advanced and new technologies are packaged together to provide the greatest gains at the least cost. Aggressive engine downsiz

Charles Mendler

2011-03-15T23:59:59.000Z

Note: This page contains sample records for the topic "ratio turbocharged gasoline" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


141

Alternative Fuels Data Center: Gasoline Gallon Equivalent (GGE) Definition  

Alternative Fuels and Advanced Vehicles Data Center [Office of Energy Efficiency and Renewable Energy (EERE)]

Gasoline Gallon Gasoline Gallon Equivalent (GGE) Definition to someone by E-mail Share Alternative Fuels Data Center: Gasoline Gallon Equivalent (GGE) Definition on Facebook Tweet about Alternative Fuels Data Center: Gasoline Gallon Equivalent (GGE) Definition on Twitter Bookmark Alternative Fuels Data Center: Gasoline Gallon Equivalent (GGE) Definition on Google Bookmark Alternative Fuels Data Center: Gasoline Gallon Equivalent (GGE) Definition on Delicious Rank Alternative Fuels Data Center: Gasoline Gallon Equivalent (GGE) Definition on Digg Find More places to share Alternative Fuels Data Center: Gasoline Gallon Equivalent (GGE) Definition on AddThis.com... More in this section... Federal State Advanced Search All Laws & Incentives Sorted by Type Gasoline Gallon Equivalent (GGE) Definition

142

Areas Participating in the Reformulated Gasoline Program  

Gasoline and Diesel Fuel Update (EIA)

Reformulated Gasoline Program Reformulated Gasoline Program Contents * Introduction * Mandated RFG Program Areas o Table 1. Mandated RFG Program Areas * RFG Program Opt-In Areas o Table 2. RFG Program Opt-In Areas * RFG Program Opt-Out Procedures and Areas o Table 3. History of EPA Rulemaking on Opt-Out Procedures o Table 4. RFG Program Opt-Out Areas * State Programs o Table 5. State Reformulated Gasoline Programs * Endnotes Spreadsheets Referenced in this Article * Reformulated Gasoline Control Area Populations Related EIA Short-Term Forecast Analysis Products * Demand and Price Outlook for Phase 2 Reformulated Gasoline, 2000 * Environmental Regulations and Changes in Petroleum Refining Operations * Areas Participating in Oxygenated Gasoline Program

143

Combustion and emission characteristics of a turbo-charged common rail diesel engine fuelled with diesel-biodiesel-DEE blends  

Science Journals Connector (OSTI)

The combustion and emission characteristics of a turbo-charged, common rail diesel engine fuelled with diesel-biodiesel-DEE blends were investigated. The study reports that the brake-specific fuel consumption of ...

Ni Zhang; Zuohua Huang; Xiangang Wang; Bin Zheng

2011-03-01T23:59:59.000Z

144

Interaction blending equations enhance reformulated gasoline profitability  

SciTech Connect (OSTI)

The interaction approach to gasoline blending gives refiners an accurate, simple means of re-evaluating blending equations and increasing profitability. With reformulated gasoline specifications drawing near, a detailed description of this approach, in the context of reformulated gasoline is in order. Simple mathematics compute blending values from interaction equations and interaction coefficients between mixtures. A timely example of such interactions is: blending a mixture of catalytically cracked gasoline plus light straight run (LSR) from one tank with alkylate plus reformate from another. This paper discusses blending equations, using interactions, mixture interactions, other blending problems, and obtaining equations.

Snee, R.D. (Joiner Associates, Madison, WI (United States)); Morris, W.E.; Smith, W.E.

1994-01-17T23:59:59.000Z

145

Renewable Oxygenate Blending Effects on Gasoline Properties  

Science Journals Connector (OSTI)

Renewable Oxygenate Blending Effects on Gasoline Properties ... National Renewable Energy Laboratory, Golden, Colorado 80401, United States ... Energy Fuels, 2011, 25 (10), ...

Earl Christensen; Janet Yanowitz; Matthew Ratcliff; Robert L. McCormick

2011-08-16T23:59:59.000Z

146

Emissions Control for Lean Gasoline Engines  

Broader source: Energy.gov (indexed) [DOE]

to achieve cost-effective compliance * minimize precious metal content while maximizing fuel economy * Relevance: - U.S. passenger car fleet is dominated by gasoline-fueled...

147

Emissions Control for Lean Gasoline Engines  

Broader source: Energy.gov (indexed) [DOE]

SCR Urea TankInjector Cost Customer Acceptance Not in Project Scope Specific Key Issues: Cost, Durability, Fuel Penalty, Operating Temp.,+... Lean Gasoline SI Direct Injection...

148

High Compression Ratio Turbo Gasoline Engine Operation Using...  

Broader source: Energy.gov (indexed) [DOE]

information * Project start date: 9012011 * Project end date: 1152015 (with no-cost extension) * Percent complete: 77% * Barriers addressed - Peak thermal efficiency...

149

Gasoline and Diesel Fuel Update  

Gasoline and Diesel Fuel Update (EIA)

Gasoline Pump Components History Gasoline Pump Components History WHAT WE PAY FOR IN A GALLON OF REGULAR GASOLINE Mon-yr Retail Price (Dollars per gallon) Refining (percentage) Distribution & Marketing (percentage) Taxes (percentage) Crude Oil (percentage) Jan-00 1.289 7.8 13.0 32.1 47.1 Feb-00 1.377 17.9 7.5 30.1 44.6 Mar-00 1.517 15.4 12.8 27.3 44.6 Apr-00 1.465 10.1 20.2 28.3 41.4 May-00 1.485 20.2 9.2 27.9 42.7 Jun-00 1.633 22.2 8.8 25.8 43.1 Jul-00 1.551 13.2 15.8 27.2 43.8 Aug-00 1.465 15.8 7.5 28.8 47.8 Sep-00 1.550 15.4 9.0 27.2 48.3 Oct-00 1.532 13.7 10.1 27.5 48.6 Nov-00 1.517 10.4 11.8 27.8 50.0 Dec-00 1.443 8.0 17.9 29.2 44.8 Jan-01 1.447 17.8 10.4 29.2 42.7 Feb-01 1.450 17.3 11.0 29.1 42.6 Mar-01 1.409 18.8 9.7 30.0 41.5

150

Insights into Spring 2008 Gasoline Prices  

Gasoline and Diesel Fuel Update (EIA)

Insights into Spring 2008 Gasoline Prices Insights into Spring 2008 Gasoline Prices Insights into Spring 2008 Gasoline Prices EIA released a new analytical report entitled Motor Gasoline Market Spring 2007 and Implications for Spring 2008. It includes a discussion of scheduled refinery outages in 2008 prepared in accordance with Section 804 of the Energy Independence and Security Act (EISA) of 2007, which requires EIA to review and analyze information on such outages from commercial reporting services and assess to their expected effects on the price and supply of gasoline. Changes in wholesale gasoline prices relative to crude oil are determined by the tightness between gasoline supply (production and net imports) and demand. Expectations for U.S. gasoline supply relative to demand are for a more favorable situation in January through May 2008 than was the case in the comparable 2007 period. Demand growth, which varies seasonally and depends on economic factors, is expected to slow. New gasoline supply is affected by refinery outages, refinery run decisions, and import variations. Planned refinery outages for January through May 2008 are lower than for the same period in 2007. Given lower planned outages and assuming the return of unplanned outages to more typical levels, including the return of BP's Texas City refinery to full operation, gasoline production could increase between 100 and 200 thousand barrels per day over last year's level, depending on the market incentives. In addition, ethanol use, which adds to gasoline supply, is expected to continue to increase. Considering the uncertainty in all the gasoline supply components, there is little likelihood of events combining in 2008 to lead to the kind of tight supply downstream from crude oil markets seen in spring 2007. In summary, refinery outage and import impacts should contribute less to gasoline price increases in 2008 than in 2007. If all of the low-range estimates for supply occurred, total gasoline supply would increase about 200 thousand barrels per day (Figure S1). However, record crude oil prices are nonetheless pushing current and expected gasoline prices to record levels.

151

Automobile Prices, Gasoline Prices, and Consumer Demand for Fuel Economy  

E-Print Network [OSTI]

Automobile Prices, Gasoline Prices, and Consumer Demand for Fuel Economy Ashley Langer University evidence that automobile manufacturers set vehicle prices as if consumers respond to gasoline prices. We consumer preferences for fuel efficiency. Keywords: automobile prices, gasoline prices, environmental

Sadoulet, Elisabeth

152

EIA-878 Motor Gasoline Price Survey ? Reference Guide  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

8 Motor Gasoline Price Survey - Reference Guide For the purposes of the Motor Gasoline Price Survey (EIA-878), we collect prices for the following gasoline grades as defined by...

153

Improvement of combustion efficiency and emission characteristics of IC diesel engine operating on ESC cycle applying Variable Geometry Turbocharger (VGT) with vaneless turbine volute  

Science Journals Connector (OSTI)

Based on experimental data, the present study investigates the influence of turbine adjustment in a turbocharger with vaneless turbine volute on diesel combustion efficiency indices and emission characteristics. ...

D. Samoilenko; H. M. Cho

2013-08-01T23:59:59.000Z

154

From Gasoline Alleys to Electric Avenues  

Science Journals Connector (OSTI)

...From Gasoline Alleys to Electric Avenues 10.1126...for next-generation electric cars could help make...next-generation hybrid vehicle. Like today's hybrids...have dual gasoline and electric engines. But whereas...authorizing $1 million for rebates for future plug-in hybrid...

Eli Kintisch

2008-02-08T23:59:59.000Z

155

Ethers have good gasoline-blending attributes  

SciTech Connect (OSTI)

Because of their compatibility with hydrocarbon gasoline-blending components, their high octane blending values, and their low volatility blending values, ethers will grow in use as gasoline blending components. This article discusses the properties of ethers as blending components, and environmental questions.

Unzelman, G.H.

1989-04-10T23:59:59.000Z

156

What Drives U.S. Gasoline Prices?  

Reports and Publications (EIA)

This analysis provides context for considering the impact of rising domestic light crude oil production on the price that U.S. consumers pay for gasoline, and provides a framework to consider how changes to existing U.S. crude oil export restrictions might affect gasoline prices.

2014-01-01T23:59:59.000Z

157

Design Case Summary: Production of Gasoline and Diesel from Biomass...  

Energy Savers [EERE]

Design Case Summary: Production of Gasoline and Diesel from Biomass via Fast Pyrolysis, Hydrotreating, and Hydrocracking Design Case Summary: Production of Gasoline and Diesel from...

158

Production of Gasoline and Diesel from Biomass via Fast Pyrolysis...  

Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

Production of Gasoline and Diesel from Biomass via Fast Pyrolysis, Hydrotreating and Hydrocracking: A Design Case Production of Gasoline and Diesel from Biomass via Fast Pyrolysis,...

159

Dispensing Equipment Testing With Mid-Level Ethanol/Gasoline...  

Energy Savers [EERE]

Dispensing Equipment Testing With Mid-Level EthanolGasoline Test Fluid Dispensing Equipment Testing With Mid-Level EthanolGasoline Test Fluid The National Renewable Energy...

160

Reductant Chemistry during LNT Regeneration for a Lean Gasoline...  

Broader source: Energy.gov (indexed) [DOE]

Reductant Chemistry during LNT Regeneration for a Lean Gasoline Engine Reductant Chemistry during LNT Regeneration for a Lean Gasoline Engine Poster presented at the 16th...

Note: This page contains sample records for the topic "ratio turbocharged gasoline" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


161

DOE's Gasoline/Diesel PM Split Study | Department of Energy  

Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

GasolineDiesel PM Split Study DOE's GasolineDiesel PM Split Study 2005 Diesel Engine Emissions Reduction (DEER) Conference Presentations and Posters 2005deerfujita.pdf More...

162

Load Expansion with Diesel/Gasoline RCCI for Improved Engine...  

Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

with DieselGasoline RCCI for Improved Engine Efficiency and Emissions Load Expansion with DieselGasoline RCCI for Improved Engine Efficiency and Emissions This poster will...

163

Advantages of Oxygenates Fuels over Gasoline in Direct Injection...  

Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

Advantages of Oxygenates Fuels over Gasoline in Direct Injection Spark Ignition Engines Advantages of Oxygenates Fuels over Gasoline in Direct Injection Spark Ignition Engines...

164

Diesel and Gasoline Engine Emissions: Characterization of Atmosphere...  

Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

and Gasoline Engine Emissions: Characterization of Atmosphere Composition and Health Responses to Inhaled Emissions Diesel and Gasoline Engine Emissions: Characterization of...

165

In Vitro Genotoxicity of Gasoline and Diesel Engine Vehicle Exhaust...  

Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

Gasoline and Diesel Engine Vehicle Exhaust Particulate and Semi-Volatile Organic Compound Materials In Vitro Genotoxicity of Gasoline and Diesel Engine Vehicle Exhaust Particulate...

166

High Efficiency Clean Combustion Engine Designs for Gasoline...  

Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

High Efficiency Clean Combustion Engine Designs for Gasoline and Diesel Engines High Efficiency Clean Combustion Engine Designs for Gasoline and Diesel Engines 2009 DOE Hydrogen...

167

Misfire detection of a turbocharged diesel engine by using artificial neural networks  

Science Journals Connector (OSTI)

Abstract This study presents a novel misfire detection model of a turbocharged diesel engine by using artificial neural network model. An explicit back propagation neural network has been developed to identify diesel combustion misfire according to the general engine operating parameters. The parameters are selected by using engine fault mode tree analysis. The proposed neural network model has been implemented in MATLAB/Neural Network Toolbox environment. Experimental study then has been performed on a V6 turbocharged diesel engine to get the parameters for both network training and validation purpose. Initial results show that misfire can be captured in most cases, however some mis-detection could happen though the mean square error of the model is satisfied. Furthermore, the in-cycle engine speed variation, a deductive parameter of transient engine speed, is added into the training data, which promotes the final results to full correct detection with no exception. The current study provides a new way to detect the happenings of misfire of turbocharged diesel engine.

Bolan Liu; Changlu Zhao; Fujun Zhang; Tao Cui; Jianyun Su

2013-01-01T23:59:59.000Z

168

Gasoline Price Differences Caused by:  

Gasoline and Diesel Fuel Update (EIA)

0 0 Notes: While my agency cannot be expert in every local gasoline market in the United States, we are familiar with a number of factors that can account for significant differences in prices between markets: Proximity of supply - distance from the refineries supplying the local market. Additionally, the proximity of those refineries to crude oil supplies can be a factor, as well as shipping logistics, including pipeline or waterborne, from refinery to market. Cost of supply - including crude oil, refinery operating, and transportation costs. Supply/demand balance - some regions are typically in excess or short supply, while others may vary seasonally, or when supply interruptions (such as refinery shutdowns) occur. Competitive environment - including the number of suppliers, and the

169

Influence of speed and frequency towards the automotive turbocharger turbine performance under pulsating flow conditions  

Science Journals Connector (OSTI)

Abstract The ever-increasing demand for low carbon applications in automotive industry has intensified the development of highly efficient engines and energy recovery devices. Even though there are significant developments in the alternative powertrains such as full electric, their full deployment is hindered by high costing and unattractive life-cycle energy and emission balance. Thus powertrain based on highly efficient internal combustion engines are still considered to be the mainstream for years to come. Traditionally, turbocharger has been an essential tool to boost the engine power, however in recent years it is seen as an enabling technology for engine downsizing. It is a well-known fact that a turbocharger turbine in an internal combustion engine operates in a highly pulsating exhaust flow. There are numerous studies looking into the complex interaction of the pulsating exhaust gas within the turbocharger turbine, however the phenomena is still not fully integrated into the design stage. Industry practice is still to design and match the turbine to an engine based on steady performance maps. The current work is undertaken with the mind to move one step closer towards fully integrating the pulsating flow performance into the turbocharger turbine design. This paper presents the development efforts and results from a full 3-D CFD model of a turbocharger turbine stage. The simulations were conducted at 30,000 rpm and 48,000 rpm (50% and 80% design speed respectively) for both 20 Hz and 80 Hz pulsating flow inlet conditions. Complete validation procedure using cold-flow experimental data is also described. The temporal and spatial resolutions of the incidence angle at the rotor leading edge suggest that the circumference variation is little (7%) as compared to its variation in time as the pulse progresses. The primary aim of this paper is to investigate the relationship of the turbine speed, as well as the pulsating flow frequency to its performance. It was found that there are no direct instantaneous relationship between the pulsating pressure at the turbine inlet and the turbine efficiency, except when one considers an additional parameter, namely the incidence angle. This paper also intends to investigate the potential loss of information if the performance parameters are simply averaged without considering the instantaneous effects.

M.H. Padzillah; S. Rajoo; R.F. Martinez-Botas

2014-01-01T23:59:59.000Z

170

Process for producing gasoline of high octane number, in particular lead-free gasoline  

SciTech Connect (OSTI)

A process is described for producing gasoline of high octane number from C/sub 3/ and C/sub 4/ olefinic cuts, such as those obtained by fractional distillation of a C/sub 3/ / C/sub 4/ catalytic cracking cut. It includes the steps of: (A) oligomerizing propylene of the C/sub 3/ cut to obtain a first gasoline fraction, (B) reacting the isobutene of the C/sub 4/ cut with methanol to produce methyl tert.-butyl ether which is separated from the unreacted C/sub 4/ hydrocarbons to form a second gasoline fraction, (C) alkylating said unreacted C/sub 4/ hydrocarbons with isobutane in the presence of an alkylation catalyst such as hydrofluoric acid, to form a third gasoline fraction, and (D) admixing, at least partially, said first, second and third gasoline fractions, so as to obtain gasoline of high octane number.

Chauvin, Y.; Gaillard, J.; Hellin, M.; Torck, B.; Vu, Q.D.

1981-06-02T23:59:59.000Z

171

Carbonyl Emissions from Gasoline and Diesel Motor Vehicles  

Science Journals Connector (OSTI)

In the present study we describe measurements of gas- and particle-phase carbonyl emissions from light-duty gasoline (LDV) and heavy-duty diesel (HDDV) motor vehicles operated on a chassis dynamometer under realistic driving cycles. ... Vehicles were tested under a five-mode driving cycle (HHDDT, heavy heavy-duty diesel truck) consisting of 30-min idle, 17-min creep, and 11-min transient stages and two cruise stages of 34 and 31 min, with a top speed of 65 miles h?1 for the second cruise (30). ... In general, as the volatility of the carbonyl decreased, so did the PUF/total particulate carbonyl ratio. ...

Chris A. Jakober; Michael A. Robert; Sarah G. Riddle; Hugo Destaillats; M. Judith Charles; Peter G. Green; Michael J. Kleeman

2008-05-24T23:59:59.000Z

172

Summer 2002 Motor Gasoline Outlook2.doc  

Gasoline and Diesel Fuel Update (EIA)

Summer 2002 Motor Gasoline Outlook Summary For the upcoming summer season (April to September 2002), rising average crude oil costs are expected to yield above -average seasonal gasoline price increases at the pump. However, year-over-year comparisons for pump prices are still likely to be lower this summer. Inventories are at higher levels than last year in April, so some cushion against early-season price spikes is in place and price levels are expected to range below last year's averages, assuming no unanticipated disruptions. Still, OPEC production restraint and tightening world oil markets now probably mark the end of the brief respite (since last fall) from two years of relatively high gasoline prices. * Retail gasoline prices (regular grade) are expected to average $1.46 per gallon, 5

173

Why are gasoline prices falling so rapidly?  

Gasoline and Diesel Fuel Update (EIA)

Why are gasoline prices falling so rapidly? Why are gasoline prices falling so rapidly? As of October 29, 2001, the national average retail price of regular gasoline was $1.235 per gallon, its lowest level since November 8, 1999 (Figure 1). The average price has fallen 29 cents in 6 weeks since September 17, with further declines perhaps to come. The sharpest decline has been in the Midwest (Petroleum Administration for Defense District 2), where the average has dropped 57 cents in 8 weeks since Labor Day (September 3). Additionally, this decline comes on the heels of a 33-cent drop in the national average in 10 weeks from Memorial Day through August 6, interrupted only by a brief 17-cent rise in August. In total, the national average retail gasoline price has fallen nearly 48 cents from its peak on May 14. This is already the widest one-year range in retail prices

174

Eliminating MTBE in Gasoline in 2006  

Gasoline and Diesel Fuel Update (EIA)

02/22/2006 02/22/2006 Eliminating MTBE in Gasoline in 2006 Summary In 2005, a number of petroleum companies announced their intent to remove methyl tertiary-butyl ether (MTBE) from their gasoline in 2006. Companies' decisions to eliminate MTBE have been driven by State bans due to water contamination concerns, continuing liability exposure from adding MTBE to gasoline, and perceived potential for increased liability exposure due to the elimination of the oxygen content requirement for reformulated gasoline (RFG) included in the Energy Policy Act of 2005. EIA's informal discussions with a number of suppliers indicate that most of the industry is trying to move away from MTBE before the 2006 summer driving season. Currently, the largest use of MTBE is in RFG consumed on the East Coast outside of

175

Blender Net Production of Finished Motor Gasoline  

U.S. Energy Information Administration (EIA) Indexed Site

Product: Total Finished Motor Gasoline Reformulated Gasoline Reformulated Blended w/ Fuel Ethanol Reformulated Other Conventional Gasoline Conventional Blended w/ Fuel Ethanol Conventional Blended w/ Fuel Ethanol, Ed55 and Lower Conventional Blended w/ Fuel Ethanol, Greater than Ed55 Conventional Other Finished Aviation Gasoline Kerosene-Type Jet Fuel Kerosene Distillate Fuel Oil Distillate F.O., 15 ppm Sulfur and under Distillate F.O., Greater than 15 ppm to 500 ppm Sulfur Distillate F.O., Greater than 500 ppm Sulfur Residual Fuel Oil Residual Fuel Less Than 0.31 Percent Sulfur Residual Fuel 0.31 to 1.00 Percent Sulfur Residual Fuel Greater Than 1.00 Percent Sulfur Special Naphthas Lubricants Asphalt and Road Oil Miscellaneous Products Processing Gain(-) or Loss(+) Period-Unit: Monthly-Thousand Barrels Monthly-Thousand Barrels per Day Annual-Thousand Barrels Annual-Thousand Barrels per Day

176

U.S. gasoline prices increase slightly  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

average retail price for regular gasoline rose slightly to 3.55 a gallon on Monday. That's up 2-tenths of a penny from a week ago, based on the weekly price survey by the U.S....

177

Edgeworth price cycles in retail gasoline markets  

E-Print Network [OSTI]

In this dissertation, I present three essays that are motivated by the interesting and dynamic price-setting behavior of firms in Canadian retail gasoline markets. In the first essay, I examine behavior at the market level ...

Noel, Michael David, 1971-

2002-01-01T23:59:59.000Z

178

Chemistry Impacts in Gasoline HCCI  

SciTech Connect (OSTI)

The use of homogeneous charge compression ignition (HCCI) combustion in internal combustion engines is of interest because it has the potential to produce low oxides of nitrogen (NOx) and particulate matter (PM) emissions while providing diesel-like efficiency. In HCCI combustion, a premixed charge of fuel and air auto-ignites at multiple points in the cylinder near top dead center (TDC), resulting in rapid combustion with very little flame propagation. In order to prevent excessive knocking during HCCI combustion, it must take place in a dilute environment, resulting from either operating fuel lean or providing high levels of either internal or external exhaust gas recirculation (EGR). Operating the engine in a dilute environment can substantially reduce the pumping losses, thus providing the main efficiency advantage compared to spark-ignition (SI) engines. Low NOx and PM emissions have been reported by virtually all researchers for operation under HCCI conditions. The precise emissions can vary depending on how well mixed the intake charge is, the fuel used, and the phasing of the HCCI combustion event; but it is common for there to be no measurable PM emissions and NOx emissions <10 ppm. Much of the early HCCI work was done on 2-stroke engines, and in these studies the CO and hydrocarbon emissions were reported to decrease [1]. However, in modern 4-stroke engines, the CO and hydrocarbon emissions from HCCI usually represent a marked increase compared with conventional SI combustion. This literature review does not report on HCCI emissions because the trends mentioned above are well established in the literature. The main focus of this literature review is the auto-ignition performance of gasoline-type fuels. It follows that this discussion relies heavily on the extensive information available about gasoline auto-ignition from studying knock in SI engines. Section 2 discusses hydrocarbon auto-ignition, the octane number scale, the chemistry behind it, its shortcomings, and its relevance to HCCI. Section 3 discusses the effects of fuel volatility on fuel and air mixing and the consequences it has on HCCI. The effects of alcohol fuels on HCCI performance, and specifically the effects that they have on the operable speed/load range, are reviewed in Section 4. Finally, conclusions are drawn in Section 5.

Szybist, James P [ORNL; Bunting, Bruce G [ORNL

2006-09-01T23:59:59.000Z

179

Gasoline-like Fuel Effects on High-load, Boosted HCCI Combustion Employing Negative Valve Overlap Strategy  

SciTech Connect (OSTI)

In recent years a number of studies have demonstrated that boosted operation combined with external EGR is a path forward for expanding the high load limit of homogeneous charge compression ignition (HCCI) operation with the negative valve overlap (NVO) valve strategy. However, the effects of fuel composition with this strategy have not been fully explored. In this study boosted HCCI combustion is investigated in a single-cylinder research engine equipped with direct injection (DI) fueling, cooled external exhaust gas recirculation (EGR), laboratory pressurized intake air, and a fully-variable hydraulic valve actuation (HVA) valve train. Three fuels with significant compositional differences are investigated: regular grade gasoline (RON = 90.2), 30% ethanol-gasoline blend (E30, RON = 100.3), and 24% iso-butanol-gasoline blend (IB24, RON = 96.6). Results include engine loads from 350 to 800 kPa IMEPg for all fuels at three engine speeds 1600, 2000, and 2500 rpm. All operating conditions achieved thermal efficiency (gross indicated efficiency) between 38 and 47%, low NOX emissions ( 0.1 g/kWh), and high combustion efficiency ( 96.5%). Detailed sweeps of intake manifold pressure (atmospheric to 250 kPaa), EGR (0 25% EGR), and injection timing are conducted to identify fuel-specific effects. The major finding of this study is that while significant fuel compositional differences exist, in boosted HCCI operation only minor changes in operational conditions are required to achieve comparable operation for all fuels. In boosted HCCI operation all fuels were able to achieve matched load-speed operation, whereas in conventional SI operation the fuel-specific knock differences resulted in significant differences in the operable load-speed space. Although all fuels were operable in boosted HCCI, the respective air handling requirements are also discussed, including an analysis of the demanded turbocharger efficiency.

Kalaskar, Vickey B [ORNL] [ORNL; Szybist, James P [ORNL] [ORNL; Splitter, Derek A [ORNL] [ORNL

2014-01-01T23:59:59.000Z

180

Three-stage autoignition of gasoline in an HCCI engine: An experimental and chemical kinetic modeling investigation  

SciTech Connect (OSTI)

The alternative HCCI combustion mode presents a possible means for decreasing the pollution with respect to conventional gasoline or diesel engines, while maintaining the efficiency of a diesel engine or even increasing it. This paper investigates the possibility of using gasoline in an HCCI engine and analyzes the autoignition of gasoline in such an engine. The compression ratio that has been used is 13.5, keeping the inlet temperature at 70 C, varying the equivalence ratio from 0.3 to 0.54, and the EGR (represented by N{sub 2}) ratio from 0 to 37 vol%. For comparison, a PRF95 and a surrogate containing 11 vol% n-heptane, 59 vol% iso-octane, and 30 vol% toluene are used. A previously validated kinetic surrogate mechanism is used to analyze the experiments and to yield possible explanations to kinetic phenomena. From this work, it seems quite possible to use the high octane-rated gasoline for autoignition purposes, even under lean inlet conditions. Furthermore, it appeared that gasoline and its surrogate, unlike PRF95, show a three-stage autoignition. Since the PRF95 does not contain toluene, it is suggested by the kinetic mechanism that the benzyl radical, issued from toluene, causes this so-defined ''obstructed preignition'' and delaying thereby the final ignition for gasoline and its surrogate. The results of the kinetic mechanism supporting this explanation are shown in this paper. (author)

Machrafi, Hatim; Cavadias, Simeon [UPMC Universite Paris 06, LGPPTS, Ecole Nationale Superieure de Chimie de Paris (France); UPMC Universite Paris 06, Institut Jean Le Rond D'Alembert (France)

2008-12-15T23:59:59.000Z

Note: This page contains sample records for the topic "ratio turbocharged gasoline" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


181

Performance and emission enhancements of a variable geometry turbocharger on a heavy-duty diesel engine  

Science Journals Connector (OSTI)

Variable Geometry Turbochargers (VGTs) have emerged in the heavy-duty diesel market with the simultaneous introduction of Exhaust Gas Recirculation (EGR) in meeting emission standards. From a military perspective, VGTs offer considerable promise of improving low speed torque and overall fuel economy. Despite these gains, nitric oxides (NOx) emissions generally increase with increased boost. During times when the military can reduce its environmental impact, VGTs can drive EGR and counter the increase in NOx emissions with relatively minor penalty in particulate matter (PM) emissions. This study highlights the performance and emission enhancements enabled by a VGT on a heavy-duty diesel engine.

Timothy J. Jacobs; Chad Jagmin; Wesley J. Williamson; Zoran S. Filipi; Dennis N. Assanis; Walter Bryzik

2008-01-01T23:59:59.000Z

182

Hybrid combustion-premixed gasoline homogeneous charge ignited by injected diesel fuel-4-stroke cycle engines  

SciTech Connect (OSTI)

This paper describes the formation and testing of two hybrid combustion engines, wherein a premixed gasoline homogeneous charge was ignited by a small amount of injected diesel fuel under high compression ratio, by modifying open chamber and prechamber 4-stroke cycle diesel engines. It was found that the premixed gasoline was effective not only for decreasing the fuel consumption but also for reducing the smoke density both in the heavy and over-load regions. The effect of introducing a small amount N/sub 2/ gas for suppressing the diesel knock in the heavy load region also was examined.

Yonetani, H.; Okanishi, N.; Fukutani, I.; Watanabe, E.

1989-01-01T23:59:59.000Z

183

Analysis of ignition behavior in a turbocharged direct injection dual fuel engine using propane and methane as primary fuels  

SciTech Connect (OSTI)

This paper presents experimental analyses of the ignition delay (ID) behavior for diesel-ignited propane and diesel-ignited methane dual fuel combustion. Two sets of experiments were performed at a constant speed (1800 rev/min) using a 4-cylinder direct injection diesel engine with the stock ECU and a wastegated turbocharger. First, the effects of fuel-air equivalence ratios (���© pilot �¢���¼ 0.2-0.6 and ���© overall �¢���¼ 0.2-0.9) on IDs were quantified. Second, the effects of gaseous fuel percent energy substitution (PES) and brake mean effective pressure (BMEP) (from 2.5 to 10 bar) on IDs were investigated. With constant ���© pilot (> 0.5), increasing ���© overall with propane initially decreased ID but eventually led to premature propane autoignition; however, the corresponding effects with methane were relatively minor. Cyclic variations in the start of combustion (SOC) increased with increasing ���© overall (at constant ���© pilot), more significantly for propane than for methane. With increasing PES at constant BMEP, the ID showed a nonlinear (initially increasing and later decreasing) trend at low BMEPs for propane but a linearly decreasing trend at high BMEPs. For methane, increasing PES only increased IDs at all BMEPs. At low BMEPs, increasing PES led to significantly higher cyclic SOC variations and SOC advancement for both propane and methane. Finally, the engine ignition delay (EID) was also shown to be a useful metric to understand the influence of ID on dual fuel combustion.

Polk, A. C.; Gibson, C. M.; Shoemaker, N. T.; Srinivasan, K. K.; Krishnan, S. R.

2011-10-05T23:59:59.000Z

184

Vehicle Technologies Office: Fact #279: August 4, 2003 Gasoline Stations  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

9: August 4, 9: August 4, 2003 Gasoline Stations to someone by E-mail Share Vehicle Technologies Office: Fact #279: August 4, 2003 Gasoline Stations on Facebook Tweet about Vehicle Technologies Office: Fact #279: August 4, 2003 Gasoline Stations on Twitter Bookmark Vehicle Technologies Office: Fact #279: August 4, 2003 Gasoline Stations on Google Bookmark Vehicle Technologies Office: Fact #279: August 4, 2003 Gasoline Stations on Delicious Rank Vehicle Technologies Office: Fact #279: August 4, 2003 Gasoline Stations on Digg Find More places to share Vehicle Technologies Office: Fact #279: August 4, 2003 Gasoline Stations on AddThis.com... Fact #279: August 4, 2003 Gasoline Stations The number of retail outlets that sell gasoline to the public has declined by 17.7% from 1993 to 2002 - from 207,416 in 1993, to 170,678 in 2002.

185

Low Gasoline Stocks Indicate Increased Odds of Spring Volatility  

Gasoline and Diesel Fuel Update (EIA)

We cannot just focus on distillate. Gasoline will likely be our next We cannot just focus on distillate. Gasoline will likely be our next major concern. Gasoline stock levels have fallen well below the typical band for this time of year, primarily for the same reason distillate stocks fell to low levels -- namely relatively low production due to low margins. At the end of January, total gasoline inventories were almost 13 million barrels (6%) below the low end of the normal band. While gasoline stocks are generally not as important a supply source to the gasoline market this time of year as are distillate stocks to the distillate market, gasoline stocks still are needed. Gasoline stocks are usually used to help meet gasoline demand during February and March as refiners go through maintenance and turnarounds, but we do not have the

186

Motor gasolines, winter 1981-1982  

SciTech Connect (OSTI)

Analytical data for 905 samples of motor gasoline, were collected from service stations throughout the country and were analyzed in the laboratories of various refiners, motor manufacturers, and chemical companies. The data were submitted to the Bartlesville Energy Technology Center for study, necessary calculations, and compilation under a cooperative agreement between the Bartlesville Energy Technology Center (BETC) and the American Petroleum Institute (API). The samples represent the products of 30 companies, large and small, which manufacture and supply gasoline. These data are tabulated by groups according to brands (unlabeled) and grades for 17 marketing districts into which the country is divided. A map included in this report, shows marketing areas, districts and sampling locations. The report also includes charts indicating the trends of selected properties of motor fuels since winter 1959-1960 survey for the leaded gasolines, and since winter 1979-1980 survey for the unleaded gasolines. Sixteen octane distribution percent charts for areas 1, 2, 3, and 4 for unleaded antiknock index (R+M)/2 below 90.0, unleaded antiknock index (R+M)/2 90.0 and above, leaded antiknock index (R+M)/2 below 93.0, and leaded antiknock index (R+M)/2 93.0 and above grades of gasoline are presented in this report. The antiknock (octane) index (R+M)/2 averages of gasoline sold in this country were 87.4 for unleaded below 90.0, 91.7 for unleaded 90.0 and above, and 88.9 for leaded below 93.0. Only one sample was reported as 93.0 for leaded gasolines with an antiknock index (R+M)/2 93.0 and above.

Shelton, E M

1982-07-01T23:59:59.000Z

187

Motor gasolines, winter 1982-83  

SciTech Connect (OSTI)

Analytical data for 1330 samples of motor gasoline, were collected from service stations throughout the country and were analyzed in the laboratories of various refiners, motor manufacturers, and chemical companies. The data were submitted to the Bartlesville Energy Technology Center for study, necessary calculations, and compilation under a cooperative agreement between the Bartlesville Energy Technology Center (BETC) and the American Petroleum Institute (API). The samples represent the products of 28 companies, large and small, which manufacture and supply gasoline. These data are tabulated by groups according to brands (unlabeled) and grades for 17 marketing districts into which the country is divided. A map included in this report, shows marketing areas, districts and sampling locations. The report also includes charts indicating the trends of selected properties of motor fuels since winter 1959-1960 survey for the leaded gasolines, and since winter 1979-1980 survey for the unleaded gasolines. Sixteen octane distribution percent charts for areas 1, 2, 3, and 4 for unleaded antiknock index (R + M)/2 below 90.0, unleaded antiknock index (R + M/2 90.0 and above, leaded antiknock index (R + M)/2 below 93.0, and leaded antiknock index (R + M)/2 93.0 and above grades of gasoline are presented in this report. The antiknock (octane) index (R + M)/2 averages of gasoline sold in this country were 87.3 for unleaded below 90.0, 91.5 for unleaded 90.0 and above, and 89.1 for leaded below 93.0, and no data was reported in this report for leaded gasolines with an antiknock index (R + M)/2 93.0 and above. 21 figures, 5 tables.

Shelton, E.M.

1983-07-01T23:59:59.000Z

188

The potential for low petroleum gasoline  

SciTech Connect (OSTI)

The Energy Policy Act requires the Secretary of Energy to determine the feasibility of producing sufficient replacement fuels to replace at least 30 percent of the projected consumption of motor fuels by light duty vehicles in the year 2010. The Act also requires the Secretary to determine the greenhouse gas implications of the use of replacement fuels. A replacement fuel is a non-petroleum portion of gasoline, including certain alcohols, ethers, and other components. The Oak Ridge National Laboratory Refinery Yield Model has been used to study the cost and refinery impacts for production of {open_quotes}low petroleum{close_quotes} gasolines, which contain replacement fuels. The analysis suggests that high oxygenation is the key to meeting the replacement fuel target, and a major contributor to cost increase is investment in processes to produce and etherify light olefins. High oxygenation can also increase the costs of control of vapor pressure, distillation properties, and pollutant emissions of gasolines. Year-round low petroleum gasoline with near-30 percent non-petroleum components might be produced with cost increases of 23 to 37 cents per gallon of gasoline, and with greenhouse gas emissions changes between a 3 percent increase and a 16 percent decrease. Crude oil reduction, with decreased dependence on foreign sources, is a major objective of the low petroleum gasoline program. For year-round gasoline with near-30 percent non-petroleum components, crude oil use is reduced by 10 to 12 percent, at a cost $48 to $89 per barrel. Depending upon resolution of uncertainties about extrapolation of the Environmental Protection Agency Complex Model for pollutant emissions, availability of raw materials and other issues, costs could be lower or higher.

Hadder, G.R.; Webb, G.M.; Clauson, M.

1996-06-01T23:59:59.000Z

189

U.S. Motor Gasoline Refiner Sales Volumes  

U.S. Energy Information Administration (EIA) Indexed Site

Product: Motor Gasoline Regular Gasoline Midgrade Gasoline Premium Gasoline Conventional Gasoline Oxygenated Gasoline Reformulated Gasoline Product: Motor Gasoline Regular Gasoline Midgrade Gasoline Premium Gasoline Conventional Gasoline Oxygenated Gasoline Reformulated Gasoline Download Series History Download Series History Definitions, Sources & Notes Definitions, Sources & Notes Show Data By: Product Sales Type Area Apr-13 May-13 Jun-13 Jul-13 Aug-13 Sep-13 View History Sales to End Users, Total 28,179.6 24,384.0 24,143.9 23,567.1 24,120.5 23,282.9 1983-2013 Through Retail Outlets 26,507.1 22,632.7 22,641.3 22,038.2 22,474.5 21,660.0 1983-2013 Sales for Resale, Total NA NA NA NA NA NA 1983-2013 DTW 24,954.1 29,704.3 30,138.3 29,222.8 30,011.9 28,880.3 1994-2013 Rack 236,373.7 242,166.6 243,892.5 243,789.7 248,761.4 237,431.5 1994-2013

190

Gasoline marketing: Octane mislabeling in New York City  

SciTech Connect (OSTI)

The problem of octane mislabeling at gasoline stations in New York City has grown - from 46 or fewer citations in 1981 to 171 citations in 1986. No single source of octane mislabeling exists but the city has found both gasoline station operators and fuel distributors to blame. The problem does not seem to be unique to any one type of gasoline station but 57 percent of the 171 citations issued involved gasoline sold under the name of a major refiner; the rest involved unbranded gasoline. Octane cheating can be lucrative in New York City. A station intentionally mislabeling its gasoline could realize amounts many times the city's maximum $500 fine for cheating.

Not Available

1987-01-01T23:59:59.000Z

191

Motor gasolines, winter 1979-1980  

SciTech Connect (OSTI)

Analytical data for 1857 samples of motor gasoline, were collected from service stations throughout the country and were analyzed in the laboratories of various refiners, motor manufacturers, and chemical companies. The data were submitted to the Bartlesville Energy Technology Center for study, necessary calculations, and compilation under a cooperative agreement between the Bartlesville Energy Technology Center (BETC) and the American Petroleum Institute (API). The samples represent the products of 48 companies, large and small, which manufacture and supply gasoline. These data are tabulated by groups according to brands (unlabeled) and grades for 17 marketing districts into which the country is divided. A map included in this report shows marketing areas districts and sampling locations. The report also includes charts indicating the trends of selected properties of motor fuels since 1949. Twelve octane distribution percent charts for areas, 1, 2, 3, and 4 for unleaded, regular, and premium grades of gasoline are presented in this report. The antiknock (octane) index ((R+M)/2) averages of gasoline sold in this country were 87.9, 92.1, 89.0, and 93.3 unleaded below 90.0, unleaded 90.0 and above, regular, and premium grades of gasolines, respectively.

Shelton, E.M.

1980-07-01T23:59:59.000Z

192

Motor gasolines, Winter 1980-81  

SciTech Connect (OSTI)

Analytical data for 546 samples of motor gasoline, were collected from service stations throughout the country and were analyzed in the laboratories of various refiners, motor manufacturers, and chemical companies. The data were submitted to the Bartlesville Energy Technology Center for study, necessary calculations, and compilation under a cooperative agreement between the Bartlesville Energy Technology Center (BETC) and the American Petroleum Institute (API). The samples represent the products of 23 companies, large and small, which manufacture and supply gasoline. These data are tabulated by groups according to brands (unlabeled) and grades for 17 marketing districts into which the country is divided. A map included in this report, shows marketing areas, districts and sampling locations. The report also includes charts indicating the trends of selected properties of motor fuels since 1959. Sixteen octane distribution percent charts for areas 1, 2, 3, and 4 for unleaded antiknock index (R+M)/2 below 90.0, unleaded antiknock index (R+M)/2 90.0 and above, leaded antiknock index (R+M)/2 below 93.0, and leaded antiknock index (R+M)/2 93.0 and above grades of gasoline are presented in this report. The antiknock (octane) index (R+M)/2 averages of gasoline sold in this country were 87.6 unleaded below 90.0, 91.4 unleaded 90.0 and above, 89.1 leaded below 93.0, and 93.3 leaded 93.0 and above grades of gasoline.

Shelton, E.M.

1981-07-01T23:59:59.000Z

193

Ethanol Demand in United States Gasoline Production  

SciTech Connect (OSTI)

The Oak Ridge National Laboratory (OWL) Refinery Yield Model (RYM) has been used to estimate the demand for ethanol in U.S. gasoline production in year 2010. Study cases examine ethanol demand with variations in world oil price, cost of competing oxygenate, ethanol value, and gasoline specifications. For combined-regions outside California summer ethanol demand is dominated by conventional gasoline (CG) because the premised share of reformulated gasoline (RFG) production is relatively low and because CG offers greater flexibility for blending high vapor pressure components like ethanol. Vapor pressure advantages disappear for winter CG, but total ethanol used in winter RFG remains low because of the low RFG production share. In California, relatively less ethanol is used in CG because the RFG production share is very high. During the winter in California, there is a significant increase in use of ethanol in RFG, as ethanol displaces lower-vapor-pressure ethers. Estimated U.S. ethanol demand is a function of the refiner value of ethanol. For example, ethanol demand for reference conditions in year 2010 is 2 billion gallons per year (BGY) at a refiner value of $1.00 per gallon (1996 dollars), and 9 BGY at a refiner value of $0.60 per gallon. Ethanol demand could be increased with higher oil prices, or by changes in gasoline specifications for oxygen content, sulfur content, emissions of volatile organic compounds (VOCS), and octane numbers.

Hadder, G.R.

1998-11-24T23:59:59.000Z

194

Diagnosis of a turbocharging system of 1 MW internal combustion engine  

Science Journals Connector (OSTI)

A diagnostic procedure is presented purposely for the turbocharging system of 1 MW internal combustion engine (I.C.E.) and specifically, for the filters and compressor modules. This study is part of a wider research activity, concerning the development of a diagnosis system dedicated to the cogenerative I.C.E. installed at the Engineering Faculty in Perugia. Firstly a 1-D thermodynamic model of the CHP engine working fluid was developed to simulate failure conditions of the turbocharging groups, which are not directly replicable on the I.C.E. to avoid plant stoppage. This model is able to simulate the degradation in performance of the engine components. It also takes into account the effect of compensation which the regulation system activates in case of efficiency loss or failure relative to filters or compressors. In order to identify and assess such failures, the fuzzy logic was chosen as the tool for the diagnosis system design. The developed diagnosis system displayed a good reliability degree with the 1-D thermodynamic model results, for operating conditions in correspondence of bad performance either on behalf of the filters or the compressor. Moreover, the procedure can be implemented in the plant monitoring system and provides in real-time diagnosis results about the status of the components and the need of maintenance, on the basis of few parameters already measured on the I.C.E.

L. Barelli; G. Bidini; F. Bonucci

2013-01-01T23:59:59.000Z

195

220,000-r/min, 2-kW Permanent Magnet Motor Drive for Turbocharger Toshihiko Noguchi, Yosuke Takata *  

E-Print Network [OSTI]

and diesel engines mounted on automobiles, vessels and so forth. Their principal objectives are improvement. In general, it is rather insufficient to overcharge the compressed fuel/air mixture into the engine cylinders-combustion engine. The electric drive makes it possible to enhance output power of the turbocharger in a motoring

Fujimoto, Hiroshi

196

Summer 2003 Motor Gasoline Outlook.doc  

Gasoline and Diesel Fuel Update (EIA)

3 3 1 Short-Term Energy Outlook April 2003 Summer 2003 Motor Gasoline Outlook Summary For the upcoming summer season (April to September 2003), high crude oil costs and other factors are expected to yield average retail motor gasoline prices higher than those of last year. Current crude oil prices reflect a substantial uncertainty premium due to concerns about the current conflict in the Persian Gulf, lingering questions about whether Venezuelan oil production will recover to near pre-strike levels in time for the peak driving season, and the impact of recent disruptions in Nigerian oil output. Moreover, unusually low crude oil and gasoline inventory levels at the outset of the driving season are expected to keep prices high throughout much of the

197

1995 Reformulated Gasoline Market Affected Refiners Differently  

Gasoline and Diesel Fuel Update (EIA)

5 Reformulated Gasoline Market Affected 5 Reformulated Gasoline Market Affected Refiners Differently by John Zyren, Charles Dale and Charles Riner Introduction The United States has completed its first summer driving season using reformulated gasoline (RFG). Motorists noticed price increases at the retail level, resulting from the increased cost to produce and deliver the product, as well as from the tight sup- ply/demand balance during the summer. This arti- cle focuses on the costs of producing RFG as experienced by different types of refiners and on how these refiners fared this past summer, given the prices for RFG at the refinery gate. RFG Regulatory Requirements The use of RFG is a result of the Clean Air Act Amendments of 1990 (CAAA). The CAAA cover a wide range of programs aimed at improving air qual-

198

Alternative Fuels Data Center: Michigan Fleet Reduces Gasoline and Diesel  

Alternative Fuels and Advanced Vehicles Data Center [Office of Energy Efficiency and Renewable Energy (EERE)]

Michigan Fleet Reduces Michigan Fleet Reduces Gasoline and Diesel Use to someone by E-mail Share Alternative Fuels Data Center: Michigan Fleet Reduces Gasoline and Diesel Use on Facebook Tweet about Alternative Fuels Data Center: Michigan Fleet Reduces Gasoline and Diesel Use on Twitter Bookmark Alternative Fuels Data Center: Michigan Fleet Reduces Gasoline and Diesel Use on Google Bookmark Alternative Fuels Data Center: Michigan Fleet Reduces Gasoline and Diesel Use on Delicious Rank Alternative Fuels Data Center: Michigan Fleet Reduces Gasoline and Diesel Use on Digg Find More places to share Alternative Fuels Data Center: Michigan Fleet Reduces Gasoline and Diesel Use on AddThis.com... Feb. 11, 2010 Michigan Fleet Reduces Gasoline and Diesel Use D iscover how the City of Ann Arbor reduced municipal fleet gas and diesel

199

Microsoft Word - Summer 2004 Motor Gasoline Outlook.doc  

Gasoline and Diesel Fuel Update (EIA)

April 2004 April 2004 Summer 2004 Motor Gasoline Outlook Summary * Gasoline markets are tight as the 2004 driving season begins and conditions are likely to remain volatile through the summer. High crude oil costs, strong gasoline demand growth, low gasoline inventories, uncertainty about the availability of gasoline imports, high transportation costs, and changes in gasoline specifications have added to current and expected gasoline costs and pump prices. * For the upcoming summer driving season (April to September 2004), retail gasoline prices (regular grade, all formulations) are projected to average $1.76 per gallon, about 20 cents above last summer. A 95-percent confidence range for the summer price average, excluding specific consideration of major

200

Vehicle Technologies Office: Fact #458: February 26, 2007 Gasoline Price  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

8: February 26, 8: February 26, 2007 Gasoline Price Expectations to someone by E-mail Share Vehicle Technologies Office: Fact #458: February 26, 2007 Gasoline Price Expectations on Facebook Tweet about Vehicle Technologies Office: Fact #458: February 26, 2007 Gasoline Price Expectations on Twitter Bookmark Vehicle Technologies Office: Fact #458: February 26, 2007 Gasoline Price Expectations on Google Bookmark Vehicle Technologies Office: Fact #458: February 26, 2007 Gasoline Price Expectations on Delicious Rank Vehicle Technologies Office: Fact #458: February 26, 2007 Gasoline Price Expectations on Digg Find More places to share Vehicle Technologies Office: Fact #458: February 26, 2007 Gasoline Price Expectations on AddThis.com... Fact #458: February 26, 2007 Gasoline Price Expectations

Note: This page contains sample records for the topic "ratio turbocharged gasoline" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


201

Factors Impacting Gasoline Prices and Areas for Further Study  

Gasoline and Diesel Fuel Update (EIA)

Factors Impacting Gasoline Prices and Areas for Further Study Factors Impacting Gasoline Prices and Areas for Further Study 8/10/01 Click here to start Table of Contents Factors Impacting Gasoline Prices and Areas for Further Study Different Factors Impact Different Aspects of Gasoline Price Correlation of Price to Inventory Levels Crude Prices Strongly Related to OECD.Crude & Product Inventories Gasoline Prices Also Influenced by Regional Gasoline Product Markets Tight Product Balance Pushes Up Product Spread (Spot Product - Crude Price) Retail Price Changes Lag Spot Prices Cumulative Gasoline Price Pass-through Illustration of How Lag Effect Dampens and Slows Retail Price Changes from Wholesale Recent Weekly Retail Price Changes Have Been as Expected Summary: Most Gasoline Price Movement Can Be Explained As Rational Market Behavior Author: Joanne Shore

202

FedEx Express Gasoline Hybrid Electric Delivery Truck Evaluation...  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

fleet that operates more than 30,000 motorized vehicles and has hybrid electric (diesel and gasoline) vehicles currently in service. FedEx Express has deployed 20 gasoline...

203

Demand and Price Uncertainty: Rational Habits in International Gasoline Demand  

E-Print Network [OSTI]

global gasoline and diesel price and income elasticities.shift in the short-run price elasticity of gasoline demand.Habits and Uncertain Relative Prices: Simulating Petrol Con-

Scott, K. Rebecca

2013-01-01T23:59:59.000Z

204

U.S. gasoline price falls under $3 (short version)  

U.S. Energy Information Administration (EIA) Indexed Site

3, 2014 U.S. gasoline price falls under 3 (short version) The U.S. average retail price for regular gasoline fell to its lowest level since December 2010 at 2.99 a gallon on...

205

U.S. gasoline price falls under $3 (long version)  

U.S. Energy Information Administration (EIA) Indexed Site

November 3, 2014 U.S. gasoline price falls under 3 (long version) The U.S. average retail price for regular gasoline fell to its lowest level since December 2010 at 2.99 a gallon...

206

Demand and Price Volatility: Rational Habits in International Gasoline Demand  

E-Print Network [OSTI]

shift in the short-run price elasticity of gasoline demand.A meta-analysis of the price elasticity of gasoline demand.2007. Consumer demand un- der price uncertainty: Empirical

Scott, K. Rebecca

2011-01-01T23:59:59.000Z

207

The relationship between crude oil and gasoline prices  

Science Journals Connector (OSTI)

This study investigates the dynamic relationship between crude oil and retail gasoline prices during the last 21 years and determines ... that date, the results show that gasoline prices include higher profit mar...

Ali T. Akarca; Dimitri Andrianacos

1998-08-01T23:59:59.000Z

208

Fact #835: August 25, Average Historical Annual Gasoline Pump...  

Energy Savers [EERE]

5: August 25, Average Historical Annual Gasoline Pump Price, 1929-2013 Fact 835: August 25, Average Historical Annual Gasoline Pump Price, 1929-2013 When adjusted for inflation,...

209

Revisiting the Income Effect: Gasoline Prices and Grocery Purchases  

E-Print Network [OSTI]

Gasoline and Crude Oil Prices, 2000-2006 Figure I:Weekly Gasoline and Crude Oil Prices for 2001- 2006 Crudeargue that increases in oil prices may lead to recessions

Gicheva, Dora; Hastings, Justine; Villas-Boas, Sofia B

2008-01-01T23:59:59.000Z

210

Fact #824: June 9, 2014 EPA Sulfur Standards for Gasoline  

Broader source: Energy.gov [DOE]

Sulfur naturally occurs in gasoline and diesel fuel, contributing to pollution when the fuel is burned. Beginning in 2004, standards were set on the amount of sulfur in gasoline (Tier 2 standards)....

211

DOE's Gasoline/Diesel PM Split Study | Department of Energy  

Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

Desert Research Institute 2003deerfujita.pdf More Documents & Publications DOE's GasolineDiesel PM Split Study DOE's GasolineDiesel PM Split Study Long-Term Changes in Gas-...

212

Why Do Motor Gasoline Prices Vary Regionally? California Case Study  

Reports and Publications (EIA)

Analysis of the difference between the retail gasoline prices in California and the average U.S. retail prices.

1998-01-01T23:59:59.000Z

213

National Survey of E85 and Gasoline Prices  

SciTech Connect (OSTI)

Study compares the prices of E85 and regular gasoline nationally and regionally over time for one year.

Bergeron, P.

2008-10-01T23:59:59.000Z

214

Catalytic isomerization of the overhead fractions of straight run gasoline  

Science Journals Connector (OSTI)

The isomerization of the pentane and hexane fractions of gasoline on a platinum catalyst was studied, as...

N. R. Bursian; G. N. Maslyanskii…

1965-06-01T23:59:59.000Z

215

1999 2000 2001 2002 2003 2004... 2005 2006 gasoline diesel  

E-Print Network [OSTI]

1999 2000 2001 2002 2003 2004... 2005 2006 gasoline diesel price +10% gasolinegasoline gasoline diesel... ... 2007 20081998 2009 ...2010 home work home work diesel diesel ... gasoline diesel price -7, households' decisions are affected by various other factors, from the vehicle market offer to governmental

Bierlaire, Michel

216

Pollutant Emissions from Gasoline Combustion. 1. Dependence on Fuel  

E-Print Network [OSTI]

Pollutant Emissions from Gasoline Combustion. 1. Dependence on Fuel Structural Functionalities H O fractions of gasoline fuels, the Utah Surrogate Mechanisms is extended to include submecha- nisms of gasoline surrogate compounds using a set of mechanism generation techniques. The mechanism yields very good

Utah, University of

217

Empirical Regularities of Asymmetric Pricing in the Gasoline Industry  

E-Print Network [OSTI]

Empirical Regularities of Asymmetric Pricing in the Gasoline Industry Marc Remer August 2, 2010 pricing in the retail gasoline industry, and also documents empirical regularities in the market. I find of asymmetric price movements in the retail gasoline industry. Yet, there is no general agreement as to whether

Niebur, Ernst

218

LAMINAR BURNING VELOCITY OF GASOLINES WITH ADDITION OF ETHANOL  

E-Print Network [OSTI]

1 LAMINAR BURNING VELOCITY OF GASOLINES WITH ADDITION OF ETHANOL P. Dirrenberger1 , P.A. Glaude*1 (2014) 162-169" DOI : 10.1016/j.fuel.2013.07.015 #12;2 LAMINAR BURNING VELOCITY OF GASOLINES, Sweden Abstract The adiabatic laminar burning velocities of a commercial gasoline and of a model fuel (n

Boyer, Edmond

219

Ethanol Production and Gasoline Prices: A Spurious Correlation  

E-Print Network [OSTI]

Ethanol Production and Gasoline Prices: A Spurious Correlation Christopher R. Knittel and Aaron Smith July 12, 2012 Abstract Ethanol made from corn comprises 10% of US gasoline, up from 3% in 2003 proponents of ethanol have argued that ethanol production greatly lowers gasoline prices, with one industry

Rothman, Daniel

220

NIST Technical Note 1666 Modeling the Effects of Outdoor Gasoline  

E-Print Network [OSTI]

NIST Technical Note 1666 Modeling the Effects of Outdoor Gasoline Powered Generator Use on Indoor Technical Note 1666 Modeling the Effects of Outdoor Gasoline Powered Generator Use on Indoor Carbon Monoxide and Technology (NIST) conducted a study for CDC to examine the impact of distance of gasoline-powered portable

Note: This page contains sample records for the topic "ratio turbocharged gasoline" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


221

ISSN 1745-9648 Gasoline Prices Jump Up on Mondays  

E-Print Network [OSTI]

ISSN 1745-9648 Gasoline Prices Jump Up on Mondays: an Outcome of Aggressive Competition? by Ă?ystein Research Council is gratefully acknowledged. #12;Gasoline prices jump up on Mondays: An outcome, 2008 Abstract This paper examines Norwegian gasoline pump prices using daily station

Feigon, Brooke

222

What Do Consumers Believe About Future Gasoline Soren T. Anderson  

E-Print Network [OSTI]

What Do Consumers Believe About Future Gasoline Prices? Soren T. Anderson Michigan State University of consumers about their expectations of future gasoline prices. Overall, we find that consumer beliefs follow a random walk, which we deem a reasonable forecast of gasoline prices, but we find a deviation from

Silver, Whendee

223

Production of high-octane automobile gasolines by the catalytic reforming of straight-run gasoline fractions from mangyshlak crude  

Science Journals Connector (OSTI)

High-octane components for AI-93 and AI-98 automobile gasolines can be obtained in 86 and 82% ... 140, 140–180, and 85–180°C gasoline fractions from Mangyshlak crude.

V. A. Kuprianov; A. A. Timofeev; V. E. Gavrun…

1971-08-01T23:59:59.000Z

224

Study of methanol-to-gasoline process for production of gasoline from coal  

Science Journals Connector (OSTI)

The methanol-to-gasoline (MTG) process is an efficient way to produce liquid ... The academic basis of the coal-to-liquid process is described and two different synthesis processes are focused on: Fixed MTG process

Tian-cai He; Xiao-han Cheng; Ling Li…

2009-03-01T23:59:59.000Z

225

Reformulated gasoline: Costs and refinery impacts  

SciTech Connect (OSTI)

Studies of reformulated gasoline (RFG) costs and refinery impacts have been performed with the Oak Ridge National Laboratory Refinery Yield Model (ORNL-RYM), a linear program which has been updated to blend gasolines to satisfy emissions constraints defined by preliminary complex emissions models. Policy makers may use the reformulation cost knee (the point at which costs start to rise sharply for incremental emissions control) to set emissions reduction targets, giving due consideration to the differences between model representations and actual refining operations. ORNL-RYM estimates that the reformulation cost knee for the US East Coast (PADD I) is about 15.2 cents per gallon with a 30 percent reduction of volatile organic compounds (VOCs). The estimated cost knee for the US Gulf Coast (PADD III) is about 5.5 cents per gallon with a VOC reduction of 35 percent. Reid vapor pressure (RVP) reduction is the dominant VOC reduction mechanism. Even with anti-dumping constraints, conventional gasoline appears to be an important sink which permits RFG to be blended with lower aromatics and sulfur contents in PADD III. In addition to the potentially large sensitivity of RFG production to different emissions models, RFG production is sensitive to the non-exhaust VOC share assumption for a particular VOC model. ORNL-RYM has also been used to estimate the sensitivity of RFG production to the cost of capital; to the RVP requirements for conventional gasoline; and to the percentage of RFG produced in a refining region.

Hadder, G.R.

1994-02-01T23:59:59.000Z

226

Study of mixture formation and early flame development in a research GDI (gasoline direct injection) engine through numerical simulation and UV-digital imaging  

Science Journals Connector (OSTI)

Abstract The analysis of the mixture formation and early combustion processes in a slightly lean burn gasoline direct injection (GDI) engine is performed by using experimental and numerical techniques. UV–visible natural emission digital imaging is applied in the optically accessible combustion chamber of a research engine. This is equipped with the four-valve head and the same injection system of a commercial turbocharged engine. Optical accessibility is obtained through a quartz window placed on the piston head. Numerical simulations are performed by means of a 3D model developed within the AVL FireTM environment, which exploits an in-house developed sub-model for simulating the spray dynamics. Tests are carried out using commercial gasoline. The cyclic variability of the engine is first analysed in order to properly define a reference average pressure cycle to be used for the validation of the numerical model. This last is then proved as being highly predictive as the start of injection is moved in the working cycle. The main effects of the injection and ignition timing on the characteristic flame development angles, namely on the flame initiation and propagation, are analysed. Flame initiation is visualised both numerically and experimentally.

M. Costa; L. Marchitto; S.S. Merola; U. Sorge

2014-01-01T23:59:59.000Z

227

Fact #852 December 22, 2014 Turbocharged Engines Account for 64.7% of all Four-Cylinder Gasoline Car Engines in 2014  

Broader source: Energy.gov [DOE]

As auto manufacturers pursue greater fuel economy, models are increasingly being offered with smaller displacement engines that consume less fuel. In order to meet performance expectations,...

228

IDENTIFYING THE USAGE PATTERNS OF METHYL TERT-BUTYL ETHER (MTBE) AND OTHER OXYGENATES IN GASOLINE USING GASOLINE  

E-Print Network [OSTI]

IDENTIFYING THE USAGE PATTERNS OF METHYL TERT-BUTYL ETHER (MTBE) AND OTHER OXYGENATES IN GASOLINE USING GASOLINE SURVEYS By Michael J. Moran, Rick M. Clawges, and John S. Zogorski U.S. Geological Survey 1608 Mt. View Rapid City, SD 57702 Methyl tert-butyl ether (MTBE) is commonly added to gasoline

229

Exhaust emissions estimation during transient turbocharged diesel engine operation using a two-zone combustion model  

Science Journals Connector (OSTI)

A comprehensive, two-zone, transient, diesel combustion model is used to study the performance and exhaust emissions of a turbocharged diesel engine during load transients. Analytical modelling of fuel spray and in-cylinder processes is included, while detailed equations concerning all engine sub-systems describe the phenomena, which diversify transient operation from the steady-state. Demonstrative diagrams are provided for the time histories of nitric oxide (NO) and soot emissions during transient operation, and the main factors affecting their formation are highlighted. Moreover, in-cylinder development of NO concentration and soot density during individual transient cycles is provided and compared with their respective steady-state counterparts. This comparison points out the differences between steady-state and transient operation, as regards exhaust emissions development. The study is expanded with the investigation of load change magnitude and cylinder wall insulation effects on transient emissions.

C.D. Rakopoulos; A.M. Dimaratos; E.G. Giakoumis; D.C. Rakopoulos

2009-01-01T23:59:59.000Z

230

Modeling and validation of a boost pressure actuation system, for a series sequentially turbocharged SI engine  

Science Journals Connector (OSTI)

An actuation system for flexible control of an advanced turbocharging system is studied. It incorporates a vacuum pump and tank that are connected to pulse width modulation controlled vacuum valves. A methodology for modeling the entire boost pressure actuation system is developed. Emphasis is placed on developing component models that are easily identified from measured data, without the need for expensive measurements.The models have physical interpretations that enable handling of varying surrounding conditions.The component models and integrated system are evaluated on a two stage series sequential turbo system with three actuators having different characteristics.Several applications of the developed system model are presented, including a nonlinear compensator for voltage disturbance rejection where the performance of the compensator is demonstrated on an engine in a test cell. The applicability of the complete system model for control and diagnosis of the vacuum system is also discussed.

Andreas Thomasson; Oskar Leufvén; Ivan Criscuolo; Lars Eriksson

2013-01-01T23:59:59.000Z

231

Engines - Fuel Injection and Spray Research - Gasoline Sprays  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

Gasoline Sprays Gasoline Sprays Animated image of fuel emerging from a gasoline injector Animated image of fuel emerging from a gasoline injector (simulated environment). Some newer automobiles in the U.S. use gasoline direct injection (GDI) engines. These advanced gasoline engines inject the fuel directly into the engine cylinder rather than into the intake port. These engines can achieve higher fuel efficiency, but they depend on a precise fuel/air mixture at the spark plug to initiate ignition. This leads to more stringent requirements on spray quality and reproducibility. GDI also enables new combustion strategies for gasoline engines such as lean burn engines that use less fuel and air. Lean burn engines may achieve efficiencies near those of diesels while producing low emissions. This

232

Why Are Gasoline Prices Rising so Fast  

Gasoline and Diesel Fuel Update (EIA)

Statement of John Cook Statement of John Cook Before the Committee on Government Reform Subcommittee on Energy Policy, Natural Resources and Regulatory Affairs U.S. House of Representatives June 14, 2001 Thank you Mr. Chairman and members of the Committee for the opportunity to testify today. Gasoline prices have begun declining, as expected, from this spring's apparent peak price of $1.71 on May 14, with the national average for regular gasoline at $1.65 per gallon as of June 11 (Figure 1). Between late March and mid-May, retail prices rose 31 cents per gallon, with some regions experiencing even greater increases. Like last year, Midwest consumers saw some of the largest increases, and along with California, some of the highest prices. Prices in the Midwest increased 43 cents per

233

Detailed Kinetic Modeling of Gasoline Surrogate Mixtures  

SciTech Connect (OSTI)

Real fuels are complex mixtures of thousands of hydrocarbon compounds including linear and branched paraffins, naphthenes, olefins and aromatics. It is generally agreed that their behavior can be effectively reproduced by simpler fuel surrogates containing a limited number of components. In this work, a recently revised version of the kinetic model by the authors is used to analyze the combustion behavior of several components relevant to gasoline surrogate formulation. Particular attention is devoted to linear and branched saturated hydrocarbons (PRF mixtures), olefins (1-hexene) and aromatics (toluene). Model predictions for pure components, binary mixtures and multi-component gasoline surrogates are compared with recent experimental information collected in rapid compression machine, shock tube and jet stirred reactors covering a wide range of conditions pertinent to internal combustion engines. Simulation results are discussed focusing attention on the mixing effects of the fuel components.

Mehl, M; Curran, H J; Pitz, W J; Westbrook, C K

2009-03-09T23:59:59.000Z

234

This Week In Petroleum Gasoline Section  

Gasoline and Diesel Fuel Update (EIA)

Regular Gasoline Retail Prices (Dollars per Gallon) Regular Gasoline Retail Prices (Dollars per Gallon) Retail Average Regular Gasoline Prices Petroleum Data Tables more data Most Recent Year Ago 11/04/13 11/11/13 11/18/13 11/25/13 12/02/13 12/09/13 12/16/13 12/17/12 U.S. 3.265 3.194 3.219 3.293 3.272 3.269 3.239 3.254 East Coast (PADD 1) 3.289 3.243 3.282 3.386 3.389 3.382 3.373 3.350 Midwest (PADD 2) 3.188 3.074 3.126 3.191 3.121 3.132 3.079 3.144 Gulf Coast (PADD 3) 3.030 2.978 3.004 3.140 3.124 3.104 3.047 3.045 Rocky Mountain (PADD 4) 3.307 3.227 3.183 3.145 3.113 3.077 3.055 3.211 West Coast (PADD 5) 3.564 3.507 3.467 3.457 3.475 3.477 3.472 3.457 Retail Conventional Regular Gasoline Prices Petroleum Data Tables more data Most Recent Year Ago 11/04/13 11/11/13 11/18/13 11/25/13 12/02/13 12/09/13 12/16/13

235

The Extraction of Gasoline from Natural Gas  

E-Print Network [OSTI]

for the quantitative estimation of the condensable gasoline consti- tuents of so-called rtwetn natural gas» Three general lines of experimentation suggested themselves after a preliminary study of the problem. These were the separation of a liqui- fied sample... fractionation of a mixture of natural gases are, however, not available in the ordinary laboratory, so this method altho successful and accurate is hardly practical. Even after the fractionation of the gas has ^lebeau and Damiens in Chen. Abstr. 7, 1356...

Schroeder, J. P.

1914-05-15T23:59:59.000Z

236

European Lean Gasoline Direct Injection Vehicle Benchmark  

SciTech Connect (OSTI)

Lean Gasoline Direct Injection (LGDI) combustion is a promising technical path for achieving significant improvements in fuel efficiency while meeting future emissions requirements. Though Stoichiometric Gasoline Direct Injection (SGDI) technology is commercially available in a few vehicles on the American market, LGDI vehicles are not, but can be found in Europe. Oak Ridge National Laboratory (ORNL) obtained a European BMW 1-series fitted with a 2.0l LGDI engine. The vehicle was instrumented and commissioned on a chassis dynamometer. The engine and after-treatment performance and emissions were characterized over US drive cycles (Federal Test Procedure (FTP), the Highway Fuel Economy Test (HFET), and US06 Supplemental Federal Test Procedure (US06)) and steady state mappings. The vehicle micro hybrid features (engine stop-start and intelligent alternator) were benchmarked as well during the course of that study. The data was analyzed to quantify the benefits and drawbacks of the lean gasoline direct injection and micro hybrid technologies from a fuel economy and emissions perspectives with respect to the US market. Additionally that data will be formatted to develop, substantiate, and exercise vehicle simulations with conventional and advanced powertrains.

Chambon, Paul H [ORNL] [ORNL; Huff, Shean P [ORNL] [ORNL; Edwards, Kevin Dean [ORNL] [ORNL; Norman, Kevin M [ORNL] [ORNL; Prikhodko, Vitaly Y [ORNL] [ORNL; Thomas, John F [ORNL] [ORNL

2011-01-01T23:59:59.000Z

237

Vehicle Technologies Office: Fact #491: October 15, 2007 Gasoline Prices:  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

1: October 15, 1: October 15, 2007 Gasoline Prices: U.S. and Selected European Countries to someone by E-mail Share Vehicle Technologies Office: Fact #491: October 15, 2007 Gasoline Prices: U.S. and Selected European Countries on Facebook Tweet about Vehicle Technologies Office: Fact #491: October 15, 2007 Gasoline Prices: U.S. and Selected European Countries on Twitter Bookmark Vehicle Technologies Office: Fact #491: October 15, 2007 Gasoline Prices: U.S. and Selected European Countries on Google Bookmark Vehicle Technologies Office: Fact #491: October 15, 2007 Gasoline Prices: U.S. and Selected European Countries on Delicious Rank Vehicle Technologies Office: Fact #491: October 15, 2007 Gasoline Prices: U.S. and Selected European Countries on Digg Find More places to share Vehicle Technologies Office: Fact #491:

238

Demand and Price Outlook for Phase 2 Reformulated Gasoline, 2000  

Gasoline and Diesel Fuel Update (EIA)

Demand and Price Outlook for Demand and Price Outlook for Phase 2 Reformulated Gasoline, 2000 Tancred Lidderdale and Aileen Bohn (1) Contents * Summary * Introduction * Reformulated Gasoline Demand * Oxygenate Demand * Logistics o Interstate Movements and Storage o Local Distribution o Phase 2 RFG Logistics o Possible Opt-Ins to the RFG Program o State Low Sulfur, Low RVP Gasoline Initiatives o NAAQS o Tier 2 Gasoline * RFG Production Options o Toxic Air Pollutants (TAP) Reduction o Nitrogen Oxides (NOx) Reduction o Volatile Organic Compounds (VOC) Reduction o Summary of RFG Production Options * Costs of Reformulated Gasoline o Phase 1 RFG Price Premium o California Clean Gasoline Price Premium o Phase 2 RFG Price Premium o Reduced Fuel Economy

239

Demand, Supply, and Price Outlook for Reformulated Motor Gasoline 1995  

Gasoline and Diesel Fuel Update (EIA)

Demand, Supply, and Price Outlook for Reformulated Demand, Supply, and Price Outlook for Reformulated Motor Gasoline 1995 by Tancred Lidderdale* Provisions of the Clean Air Act Amendments of 1990 designed to reduce ground-level ozone will increase the demand for reformulated motor gaso- line in a number of U.S. metropolitan areas. Refor- mulated motor gasoline is expected to constitute about one-third of total motor gasoline demand in 1995, and refiners will have to change plant opera- tions and modify equipment in order to meet the higher demand. The costs incurred are expected to create a wholesale price premium for reformu- lated motor gasoline of up to 4.0 cents per gallon over the price of conventional motor gasoline. This article discusses the effects of the new regulations on the motor gasoline market and the refining

240

Petroleum Products Table 31. Motor Gasoline Prices by Grade...  

Gasoline and Diesel Fuel Update (EIA)

by Grade, Sales Type, PAD District, and State 56 Energy Information Administration Petroleum Marketing Annual 1996 Table 31. Motor Gasoline Prices by Grade, Sales Type, PAD...

Note: This page contains sample records for the topic "ratio turbocharged gasoline" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
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241

Energy Department Announces First Regional Gasoline Reserve to...  

Office of Environmental Management (EM)

Ernest Moniz today announced the creation of the first federal regional refined petroleum product reserve containing gasoline. Based on the Energy Department's lessons...

242

Petroleum Products Table 43. Refiner Motor Gasoline Volumes...  

Gasoline and Diesel Fuel Update (EIA)

by Grade, Sales Type, PAD District, and State 262 Energy Information Administration Petroleum Marketing Annual 1996 Table 43. Refiner Motor Gasoline Volumes by Grade, Sales Type,...

243

Petroleum Products Table 43. Refiner Motor Gasoline Volumes...  

Gasoline and Diesel Fuel Update (EIA)

by Grade, Sales Type, PAD District, and State 262 Energy Information Administration Petroleum Marketing Annual 1997 Table 43. Refiner Motor Gasoline Volumes by Grade, Sales Type,...

244

Impacts of Ethanol in Gasoline on Subsurface Contamination.  

E-Print Network [OSTI]

??The increasing use of ethanol as a gasoline additive has raised concerns over the potential impacts ethanol might have on groundwater contamination. In North America,… (more)

Freitas, Juliana Gardenalli de

2009-01-01T23:59:59.000Z

245

Microsoft Word - Summer 2006 Motor Gasoline Prices.doc  

Gasoline and Diesel Fuel Update (EIA)

Coast Chicago New York Harbor Sources: Ethanol spot prices through July 7, 2006 - Jim Jordan & Associates, Fuels Blendstock Report (www.jordan-associates.com); Gasoline prices -...

246

Long-term historical trends in gasoline properties are charted  

SciTech Connect (OSTI)

Trends in motor gasolines between 1942 and 1981 have been evaluated based upon data contained in motor gasoline surveys that have been prepared and published by the Bartlesville Energy Technology Center (BETC). These surveys have been published twice annually since 1935 describing the properties of motor gasolines from throughout the country. They have been conducted in cooperation with the American Petroleum Institute since 1949. A typical report covers 2,400 samples from service stations throughout the country representing some 48 companies that manufacture and supply gasoline. The reports include trend charts, octane plots and properties obtained from a dozen different tests.

Shelton, E.M.; Whisman, M.L.; Woodward, P.W.

1982-08-02T23:59:59.000Z

247

TRUCK ROUTING PROBLEM IN DISTRIBUTION OF GASOLINE TO GAS STATIONS.  

E-Print Network [OSTI]

??This thesis aims at finding a daily routing plan for a fleet of vehicles delivering gasoline to gas stations for an oil company, satisfying all… (more)

Janakiraman, Swagath

2010-01-01T23:59:59.000Z

248

Gasoline Ultra Fuel Efficient Vehicle | Department of Energy  

Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

1 DOE Hydrogen and Fuel Cells Program, and Vehicle Technologies Program Annual Merit Review and Peer Evaluation ace064confer2011o.pdf More Documents & Publications Gasoline...

249

Lean Gasoline System Development for Fuel Efficient Small Car...  

Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

and Vehicle Technologies Program Annual Merit Review and Peer Evaluation Meeting ace063smith2012o.pdf More Documents & Publications Lean Gasoline System Development for Fuel...

250

Lean Gasoline System Development for Fuel Efficient Small Car...  

Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

and Vehicle Technologies Program Annual Merit Review and Peer Evaluation ace063smith2011o.pdf More Documents & Publications Lean Gasoline System Development for Fuel...

251

Reductant Chemistry during LNT Regeneration for a Lean Gasoline...  

Broader source: Energy.gov (indexed) [DOE]

Oak Ridge National Laboratory VW Scholar at the University of Tennessee Reductant Chemistry during LNT Regeneration for a Lean Gasoline Engine Poster P-09 2010 DEER Directions...

252

Gasoline-Like Fuel Effects on Advanced Combustion Regimes | Department...  

Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

Regimes Gasoline-Like Fuel Effects on Advanced Combustion Regimes 2012 DOE Hydrogen and Fuel Cells Program and Vehicle Technologies Program Annual Merit Review and Peer...

253

Gasoline-like fuel effects on advanced combustion regimes | Department...  

Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

regimes Gasoline-like fuel effects on advanced combustion regimes 2011 DOE Hydrogen and Fuel Cells Program, and Vehicle Technologies Program Annual Merit Review and Peer...

254

Table 44. Refiner Motor Gasoline Volumes by Formulation, Sales...  

Gasoline and Diesel Fuel Update (EIA)

Information AdministrationPetroleum Marketing Annual 1998 Table 44. Refiner Motor Gasoline Volumes by Formulation, Sales Type, PAD District, and State (Thousand Gallons per...

255

Table 35. Refiner Motor Gasoline Prices by Grade, Sales Type...  

Annual Energy Outlook 2013 [U.S. Energy Information Administration (EIA)]

Information Administration Petroleum Marketing Annual 1995 Table 35. Refiner Motor Gasoline Prices by Grade, Sales Type, PAD District, and State (Cents per Gallon Excluding...

256

Table 32. Conventional Motor Gasoline Prices by Grade, Sales...  

Gasoline and Diesel Fuel Update (EIA)

Administration Petroleum Marketing Annual 1995 Table 32. Conventional Motor Gasoline Prices by Grade, Sales Type, PAD District, and State (Cents per Gallon Excluding...

257

Table 32. Conventional Motor Gasoline Prices by Grade, Sales...  

Gasoline and Diesel Fuel Update (EIA)

- - - - W W - - - - - - See footnotes at end of table. 32. Conventional Motor Gasoline Prices by Grade, Sales Type, PAD District, and State 86 Energy Information...

258

Geographic Area Month Aviation Gasoline Kerosene-Type Jet Fuel  

Gasoline and Diesel Fuel Update (EIA)

State (Cents per Gallon Excluding Taxes) - Continued Geographic Area Month Aviation Gasoline Kerosene-Type Jet Fuel Kerosene Sales to End Users Sales for Resale Sales to End...

259

Table 44. Refiner Motor Gasoline Volumes by Formulation, Sales...  

Annual Energy Outlook 2013 [U.S. Energy Information Administration (EIA)]

Information AdministrationPetroleum Marketing Annual 1999 Table 44. Refiner Motor Gasoline Volumes by Formulation, Sales Type, PAD District, and State (Thousand Gallons per...

260

Table 32. Conventional Motor Gasoline Prices by Grade, Sales...  

Gasoline and Diesel Fuel Update (EIA)

AdministrationPetroleum Marketing Annual 1998 Table 32. Conventional Motor Gasoline Prices by Grade, Sales Type, PAD District, and State (Cents per Gallon Excluding...

Note: This page contains sample records for the topic "ratio turbocharged gasoline" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


261

Table 33. Oxygenated Motor Gasoline Prices by Grade, Sales Type...  

Annual Energy Outlook 2013 [U.S. Energy Information Administration (EIA)]

Administration Petroleum Marketing Annual 1995 Table 33. Oxygenated Motor Gasoline Prices by Grade, Sales Type, PAD District, and State (Cents per Gallon Excluding...

262

Table 44. Refiner Motor Gasoline Volumes by Formulation, Sales...  

Annual Energy Outlook 2013 [U.S. Energy Information Administration (EIA)]

- - - - W W - - - - - - See footnotes at end of table. 44. Refiner Motor Gasoline Volumes by Formulation, Sales Type, PAD District, and State 292 Energy Information...

263

Table 33. Oxygenated Motor Gasoline Prices by Grade, Sales Type...  

Annual Energy Outlook 2013 [U.S. Energy Information Administration (EIA)]

- - - - - - - - - - - - See footnotes at end of table. 33. Oxygenated Motor Gasoline Prices by Grade, Sales Type, PAD District, and State 116 Energy Information...

264

Table 34. Reformulated Motor Gasoline Prices by Grade, Sales...  

Gasoline and Diesel Fuel Update (EIA)

Administration Petroleum Marketing Annual 1995 Table 34. Reformulated Motor Gasoline Prices by Grade, Sales Type, PAD District, and State (Cents per Gallon Excluding...

265

Table 35. Refiner Motor Gasoline Prices by Grade, Sales Type...  

Annual Energy Outlook 2013 [U.S. Energy Information Administration (EIA)]

Information AdministrationPetroleum Marketing Annual 1999 Table 35. Refiner Motor Gasoline Prices by Grade, Sales Type, PAD District, and State (Cents per Gallon Excluding...

266

Table 48. Prime Supplier Sales Volumes of Motor Gasoline by...  

Annual Energy Outlook 2013 [U.S. Energy Information Administration (EIA)]

Petroleum Marketing Annual 1999 Table 48. Prime Supplier Sales Volumes of Motor Gasoline by Grade, Formulation, PAD District, and State (Thousand Gallons per Day) - Continued...

267

Table 48. Prime Supplier Sales Volumes of Motor Gasoline by...  

Annual Energy Outlook 2013 [U.S. Energy Information Administration (EIA)]

Petroleum Marketing Annual 1995 Table 48. Prime Supplier Sales Volumes of Motor Gasoline by Grade, Formulation, PAD District, and State (Thousand Gallons per Day) - Continued...

268

Table 44. Refiner Motor Gasoline Volumes by Formulation, Sales...  

Gasoline and Diesel Fuel Update (EIA)

Information Administration Petroleum Marketing Annual 1995 Table 44. Refiner Motor Gasoline Volumes by Formulation, Sales Type, PAD District, and State (Thousand Gallons per...

269

Table 43. Refiner Motor Gasoline Volumes by Grade, Sales Type...  

Annual Energy Outlook 2013 [U.S. Energy Information Administration (EIA)]

Information AdministrationPetroleum Marketing Annual 1998 Table 43. Refiner Motor Gasoline Volumes by Grade, Sales Type, PAD District, and State (Thousand Gallons per Day) -...

270

Table 35. Refiner Motor Gasoline Prices by Grade, Sales Type...  

Gasoline and Diesel Fuel Update (EIA)

Information AdministrationPetroleum Marketing Annual 1998 Table 35. Refiner Motor Gasoline Prices by Grade, Sales Type, PAD District, and State (Cents per Gallon Excluding...

271

Table 43. Refiner Motor Gasoline Volumes by Grade, Sales Type...  

Annual Energy Outlook 2013 [U.S. Energy Information Administration (EIA)]

Information Administration Petroleum Marketing Annual 1995 Table 43. Refiner Motor Gasoline Volumes by Grade, Sales Type, PAD District, and State (Thousand Gallons per Day) -...

272

Table 48. Prime Supplier Sales Volumes of Motor Gasoline by...  

Annual Energy Outlook 2013 [U.S. Energy Information Administration (EIA)]

Petroleum Marketing Annual 1998 Table 48. Prime Supplier Sales Volumes of Motor Gasoline by Grade, Formulation, PAD District, and State (Thousand Gallons per Day) - Continued...

273

Table 43. Refiner Motor Gasoline Volumes by Grade, Sales Type...  

Gasoline and Diesel Fuel Update (EIA)

Information AdministrationPetroleum Marketing Annual 1999 Table 43. Refiner Motor Gasoline Volumes by Grade, Sales Type, PAD District, and State (Thousand Gallons per Day) -...

274

Table 32. Conventional Motor Gasoline Prices by Grade, Sales...  

Gasoline and Diesel Fuel Update (EIA)

- - - - 64.7 64.7 - - - - - - See footnotes at end of table. 32. Conventional Motor Gasoline Prices by Grade, Sales Type, PAD District, and State 86 Energy Information...

275

Gasoline demand in developing Asian countries  

SciTech Connect (OSTI)

This paper presents econometric estimates of motor gasoline demand in eleven developing countries of Asia. The price and GDP per capita elasticities are estimated for each country separately, and for several pooled combinations of the countries. The estimated elasticities for the Asian countries are compared with those of the OECD countries. Generally, one finds that the OECD countries have GDP elasticities that are smaller, and price elasticities that are larger (in absolute value). The price elasticities for the low-income Asian countries are more inelastic than for the middle-income Asian countries, and the GDP elasticities are generally more elastic. 13 refs., 6 tabs.

McRae, R. [Univ. of Calgary, Alberta (Canada)

1994-12-31T23:59:59.000Z

276

Production of Diesel Engine Turbocharger Turbine from Low Cost Titanium Powder  

SciTech Connect (OSTI)

Turbochargers in commercial turbo-diesel engines are multi-material systems where usually the compressor rotor is made of aluminum or titanium based material and the turbine rotor is made of either a nickel based superalloy or titanium, designed to operate under the harsh exhaust gas conditions. The use of cast titanium in the turbine section has been used by Cummins Turbo Technologies since 1997. Having the benefit of a lower mass than the superalloy based turbines; higher turbine speeds in a more compact design can be achieved with titanium. In an effort to improve the cost model, and develop an industrial supply of titanium componentry that is more stable than the traditional aerospace based supply chain, the Contractor has developed component manufacturing schemes that use economical Armstrong titanium and titanium alloy powders and MgR-HDH powders. Those manufacturing schemes can be applied to compressor and turbine rotor components for diesel engine applications with the potential of providing a reliable supply of titanium componentry with a cost and performance advantage over cast titanium.

Muth, T. R.; Mayer, R. (Queen City Forging)

2012-05-04T23:59:59.000Z

277

Comparison of propane and methane performance and emissions in a turbocharged direct injection dual fuel engine  

SciTech Connect (OSTI)

With increasingly restrictive NO x and particulate matter emissions standards, the recent discovery of new natural gas reserves, and the possibility of producing propane efficiently from biomass sources, dual fueling strategies have become more attractive. This paper presents experimental results from dual fuel operation of a four-cylinder turbocharged direct injection (DI) diesel engine with propane or methane (a natural gas surrogate) as the primary fuel and diesel as the ignition source. Experiments were performed with the stock engine control unit at a constant speed of 1800 rpm, and a wide range of brake mean effective pressures (BMEPs) (2.7-11.6 bars) and percent energy substitutions (PESs) of C 3 H 8 and CH 4. Brake thermal efficiencies (BTEs) and emissions (NO x, smoke, total hydrocarbons (THCs), CO, and CO 2) were measured. Maximum PES levels of about 80-95% with CH 4 and 40-92% with C 3 H 8 were achieved. Maximum PES was limited by poor combustion efficiencies and engine misfire at low loads for both C 3 H 8 and CH 4, and the onset of knock above 9 bar BMEP for C 3 H 8. While dual fuel BTEs were lower than straight diesel BTEs at low loads, they approached diesel BTE values at high loads. For dual fuel operation, NO x and smoke reductions (from diesel values) were as high as 66-68% and 97%, respectively, but CO and THC emissions were significantly higher with increasing PES at all engine loads

Gibson, C. M.; Polk, A. C.; Shoemaker, N. T.; Srinivasan, K. K.; Krishnan, S. R.

2011-04-20T23:59:59.000Z

278

Conversion of methanol to gasoline commercial plant study. Coal to gasoline via methanol  

SciTech Connect (OSTI)

Under the joint sponsorship of the German Federal Minister of Research and Technology (BMFT) and the US Department of Energy (DOE), a research program was initiated concerning the ''Conversion of Methanol to Gasoline (MTG), Engineering, Construction and Operation of a Demonstration Plant''. The purpose of the 100 BPD demonstration plant was to demonstrate the feasibility of and to obtain data required for scale-up of the fluid-bed MTG process to a commercial size plant. As per requirements of Annex 3 of the Governmental Agreement, this study, in addition to the MTG plant, also includes the facilities for the production of methanol. The feedstock basis for the production of methanol shall be coal. Hence this study deals with the production of gasoline from coal (CTG-Coal to Gasoline). The basic objective of this study is to assess the technical feasibility of the conversion of methanol to gasoline in a fluid-bed system and to evaluate the process economies i.e., to evlauate the price of the product in relation to the price of the feedstock and plant capacity. In connection with technical feasibility, the scale up criteria were developed from the results obtained and experience gathered over an operational period of 8600 hours of the ''100 BPD Demonstration Plant''. The scale up philosophy is detailed in chapter 4. The conditions selected for the design of the MTG unit are detailed in chapter 5. The scope of the study covers the production of gasoline from coal, in which MTG section is dealt with in detail (refer to chapter 5). Information on other plant sections in this study are limited to that sufficient to: generate overall mass balance; generate rate of by-products and effluents; incorporate heat integration; generate consumption figures; and establish plant investment cost.

Thiagarajan, N.; Nitschke, E.

1986-03-01T23:59:59.000Z

279

Clearing the Air? The Effects of Gasoline Content Regulation on Air Quality  

E-Print Network [OSTI]

15 for retail gasoline stations and May 1 – September 15 forof one if retail gasoline stations in county c are requiredseason for retail gasoline distribution stations is June 1 -

Auffhammer, Maximilian; Kellogg, Ryan

2009-01-01T23:59:59.000Z

280

Do Gasoline Prices Resond Asymmetrically to Cost Shocks? The Confounding Effect of Edgeworth Cycles  

E-Print Network [OSTI]

t as determined by gasoline stations is unlikely to beshows a map of all gasoline stations i n central and easterni n Figure 5: Toronto Gasoline Stations Canadian cents per

Noel, Michael

2007-01-01T23:59:59.000Z

Note: This page contains sample records for the topic "ratio turbocharged gasoline" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


281

Elucidating secondary organic aerosol from diesel and gasoline vehicles through detailed characterization of  

E-Print Network [OSTI]

Elucidating secondary organic aerosol from diesel and gasoline vehicles through detailed 19, 2012 (received for review July 22, 2012) Emissions from gasoline and diesel vehicles composition, mass distribu- tion, and organic aerosol formation potential of emissions from gasoline

Silver, Whendee

282

Improving Accuracy in the Determination of Aromatics in Gasoline by Gas Chromatography—Mass Spectrometry  

Science Journals Connector (OSTI)

......was composed of five gasoline blendstocks: light straight run (LSR) naphtha...consisted of the 21 gasoline fuels used in various...naphtha; LSR, light straight run naphtha; reformate...Because these common gasoline blendstocks contain......

Michael D. Mathiesen; Axel J. Lubeck

1998-09-01T23:59:59.000Z

283

Blended Straight-Run Gasolines with Composite Additives Containing Watery Ethanol  

Science Journals Connector (OSTI)

Cranking and antiknock properties of gasoline-alcohol blends based on straight-run gasoline with additives containing watery ethanol and other ... components are studied. The composition of the gasoline-alcohol b...

Yu. O. Beiko; A. P. Pavlovskii; O. A. Beiko

2014-01-01T23:59:59.000Z

284

Advanced Particulate Filter Technologies for Direct Injection Gasoline Engine Applications  

Broader source: Energy.gov [DOE]

Specific designs and material properties have to be developed for gasoline particulate filters based on the different engine and exhaust gas characteristic of gasoline engines compared to diesel engines, e.g., generally lower levels of engine-out particulate emissions or higher GDI exhaust gas temperatures

285

Author's personal copy Gasoline prices and traffic safety in Mississippi  

E-Print Network [OSTI]

Drive SE, Minneapolis, MN 55455, USA a b s t r a c ta r t i c l e i n f o Article history: Received 9-grade unleaded gasoline price data from the Energy Information Administration of the U.S. Department of EnergyAuthor's personal copy Gasoline prices and traffic safety in Mississippi Guangqing Chi a, , Arthur

Levinson, David M.

286

Lifecycle Analysis of Air Quality Impacts of Hydrogen and Gasoline Transportation Fuel Pathways  

E-Print Network [OSTI]

Includes gasoline, diesel, and electric. The following fourIncludes gasoline, diesel, and electric. In this study, weemissions from diesel-truck delivery and electric generation

Wang, Guihua

2008-01-01T23:59:59.000Z

287

Fact #858 February 2, 2015 Retail Gasoline Prices in 2014 Experienced...  

Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

8 February 2, 2015 Retail Gasoline Prices in 2014 Experienced the Largest Decline since 2008 Fact 858 February 2, 2015 Retail Gasoline Prices in 2014 Experienced the Largest...

288

SwRI's HEDGE Technology for High Efficiency, Low Emissions Gasoline...  

Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

SwRI's HEDGE Technology for High Efficiency, Low Emissions Gasoline Engines SwRI's HEDGE Technology for High Efficiency, Low Emissions Gasoline Engines Presentation given at the...

289

Different Factors Impact Different Aspects of Gasoline Price  

Gasoline and Diesel Fuel Update (EIA)

1 1 Notes: In order to illustrate and quantify, to a large extent, the various market forces driving gasoline prices, we begin by decomposing those factors according to their location within the supply chain, i.e., the international crude market, U.S. wholesale gasoline markets, and the retail segment. Historically, variation in gasoline prices usually stems from changes in crude oil prices. As the major feedstock in the production of gasoline, shifts in the balance between supply and demand in crude markets explain a large portion of observed movements at the retail level. But shifts in the wholesale gasoline supply/demand balance also contribute to price pressure or movements at both the wholesale and retail levels beyond that stemming from crude oil markets.

290

DOE Gasoline Price Watch Website and Hotline | Department of Energy  

Broader source: Energy.gov (indexed) [DOE]

Gasoline Price Watch Website and Hotline Gasoline Price Watch Website and Hotline DOE Gasoline Price Watch Website and Hotline April 20, 2006 - 12:26pm Addthis WASHINGTON, DC - Secretary of Energy Samuel W. Bodman today is reminding consumers about the Department of Energy's (DOE) gasoline price reporting system. Consumers can report activity at local gasoline filling stations that they believe may constitute "gouging" or "price fixing" by visiting gaswatch.energy.gov/. "There are many legitimate factors influencing the price consumers are paying at the pump, including growing demand, the high price of crude oil, the lingering effects of last summer's hurricanes on our refining sector and the regular transition of fuel blends as we head into the summer," said Secretary Bodman. "And while the majority of local merchants are fair and

291

Integrated process offers lower gas-to-gasoline investment  

SciTech Connect (OSTI)

Many natural gas fields are in remote locations and of a size which cannot justify construction of a pipeline or liquified natural gas (LNG) plant. In these situations, the natural gas price can be low and the manufacture of gasoline an attractive alternative to producing ammonia or other petro-chemicals. Haldor Topsoe A/S has developed an integrated process scheme to convert natural-gas-derived synthesis gas to gasoline in a single loop. The process, Topsoe integrated gasoline synthesis (Tigas), incorporates Mobil's methanol-to-gasoline (MTG) process. The first step is a synthesis of oxygenates. The second step is the MTG process run at conditions selected to achieve optimum operation of the integrated loop. An industrial pilot plant has been in operation since January 1984. The plant has been running successfully, with long catalyst life, producing high-octane gasoline.

Topp-Jorgensen, J.; Rostrup-Nielsen, J.R.

1986-05-19T23:59:59.000Z

292

Lean Gasoline Engine Reductant Chemistry During Lean NOx Trap Regeneration  

SciTech Connect (OSTI)

Lean NOx Trap (LNT) catalysts can effectively reduce NOx from lean engine exhaust. Significant research for LNTs in diesel engine applications has been performed and has led to commercialization of the technology. For lean gasoline engine applications, advanced direct injection engines have led to a renewed interest in the potential for lean gasoline vehicles and, thereby, a renewed demand for lean NOx control. To understand the gasoline-based reductant chemistry during regeneration, a BMW lean gasoline vehicle has been studied on a chassis dynamometer. Exhaust samples were collected and analyzed for key reductant species such as H2, CO, NH3, and hydrocarbons during transient drive cycles. The relation of the reductant species to LNT performance will be discussed. Furthermore, the challenges of NOx storage in the lean gasoline application are reviewed.

Choi, Jae-Soon [ORNL] [ORNL; Prikhodko, Vitaly Y [ORNL] [ORNL; Partridge Jr, William P [ORNL] [ORNL; Parks, II, James E [ORNL; Norman, Kevin M [ORNL] [ORNL; Huff, Shean P [ORNL] [ORNL; Chambon, Paul H [ORNL] [ORNL; Thomas, John F [ORNL] [ORNL

2010-01-01T23:59:59.000Z

293

Gasoline prices, gasoline consumption, and new-vehicle fuel economy: Evidence for a large sample of countries  

Science Journals Connector (OSTI)

Countries differ considerably in terms of the price drivers pay for gasoline. This paper uses data for 132 countries for the period 1995–2008 to investigate the implications of these differences for the consumption of gasoline for road transport. To address the potential for simultaneity bias, we use both a country's oil reserves and the international crude oil price as instruments for a country's average gasoline pump price. We obtain estimates of the long-run price elasticity of gasoline demand of between ? 0.2 and ? 0.5. Using newly available data for a sub-sample of 43 countries, we also find that higher gasoline prices induce consumers to substitute to vehicles that are more fuel-efficient, with an estimated elasticity of + 0.2. Despite the small size of our elasticity estimates, there is considerable scope for low-price countries to achieve gasoline savings and vehicle fuel economy improvements via reducing gasoline subsidies and/or increasing gasoline taxes.

Paul J. Burke; Shuhei Nishitateno

2013-01-01T23:59:59.000Z

294

GASOLINE VEHICLE EXHAUST PARTICLE SAMPLING STUDY  

SciTech Connect (OSTI)

The University of Minnesota collaborated with the Paul Scherrer Institute, the University of Wisconsin (UWI) and Ricardo, Inc to physically and chemically characterize the exhaust plume from recruited gasoline spark ignition (SI) vehicles. The project objectives were: (1) Measure representative particle size distributions from a set of on-road SI vehicles and compare these data to similar data collected on a small subset of light-duty gasoline vehicles tested on a chassis dynamometer with a dilution tunnel using the Unified Drive Cycle, at both room temperature (cold start) and 0 C (cold-cold start). (2) Compare data collected from SI vehicles to similar data collected from Diesel engines during the Coordinating Research Council E-43 project. (3) Characterize on-road aerosol during mixed midweek traffic and Sunday midday periods and determine fleet-specific emission rates. (4) Characterize bulk- and size-segregated chemical composition of the particulate matter (PM) emitted in the exhaust from the gasoline vehicles. Particle number concentrations and size distributions are strongly influenced by dilution and sampling conditions. Laboratory methods were evaluated to dilute SI exhaust in a way that would produce size distributions that were similar to those measured during laboratory experiments. Size fractionated samples were collected for chemical analysis using a nano-microorifice uniform deposit impactor (nano-MOUDI). In addition, bulk samples were collected and analyzed. A mixture of low, mid and high mileage vehicles were recruited for testing during the study. Under steady highway cruise conditions a significant particle signature above background was not measured, but during hard accelerations number size distributions for the test fleet were similar to modern heavy-duty Diesel vehicles. Number emissions were much higher at high speed and during cold-cold starts. Fuel specific number emissions range from 1012 to 3 x 1016 particles/kg fuel. A simple relationship between number and mass emissions was not observed. Data were collected on-road to compare weekday with weekend air quality around the Twin Cities area. This portion of the study resulted in the development of a method to apportion the Diesel and SI contribution to on-road aerosol.

Kittelson, D; Watts, W; Johnson, J; Zarling, D Schauer,J Kasper, K; Baltensperger, U; Burtscher, H

2003-08-24T23:59:59.000Z

295

2003 California Gasoline Price Study (preliminary version)  

Gasoline and Diesel Fuel Update (EIA)

1 1 2003 California Gasoline Price Study: Preliminary Findings May 2003 Office of Oil and Gas Energy Information Administration U.S. Department of Energy Washington, DC 20585 This report was prepared by the Energy Information Administration, the independent statistical and analytical agency within the Department of Energy. The information contained herein should not be construed as advocating or reflecting any policy position of the Department of Energy or of any other organization. Contacts and Acknowledgments This report was prepared by the Office of Oil and Gas of the Energy Information Administration (EIA) under the direction of John Cook, Director, Petroleum Division. Questions concerning the report may be directed to Joanne Shore (202/586-4677),

296

Experimental study on combustion and emissions performance of a hybrid syngas–gasoline engine  

Science Journals Connector (OSTI)

The effect of syngas addition on the performance of a 1.6 L gasoline engine at lean condition was investigated in the paper. The syngas which produced by the onboard ethanol catalytic decomposition was mainly composed of hydrogen and carbon monoxide. A tube array reforming reactor was mounted on the engine tailpipe to produce syngas. During the test, the engine was run at 1800 rpm and a manifolds absolute pressure of 61.5 kPa. The spark timing for the maximum brake torque was adopted for all tests. The engine spark timing, injection timing and duration of the gasoline were controlled by a hybrid electronic control unit communicated with the engine original electronic control unit. The syngas volume fraction in the total intake gas was gradually increased from 0% to 1.84%. The gasoline flow rate was decreased to ensure that the global excess air ratio of the fuel–air mixture in cylinder at about 1.20. The test results confirmed that the syngas addition helped improve the indicated thermal efficiency and shorten the combustion duration. HC, \\{NOx\\} emissions and particle total number per cubic centimeter were reduced after the syngas addition at lean condition.

Changwei Ji; Xiaoxu Dai; Shuofeng Wang; Chen Liang; Bingjie Ju; Xiaolong Liu

2013-01-01T23:59:59.000Z

297

Gasoline: An adaptable implementation of TreeSPH  

E-Print Network [OSTI]

The key algorithms and features of the Gasoline code for parallel hydrodynamics with self-gravity are described. Gasoline is an extension of the efficient Pkdgrav parallel N-body code using smoothed particle hydrodynamics. Accuracy measurements, performance analysis and tests of the code are presented. Recent successful Gasoline applications are summarized. These cover a diverse set of areas in astrophysics including galaxy clusters, galaxy formation and gas-giant planets. Future directions for gasdynamical simulations in astrophysics and code development strategies for tackling cutting edge problems are discussed.

Wadsley, J; Quinn, T; Wadsley, James; Stadel, Joachim; Quinn, Thomas

2003-01-01T23:59:59.000Z

298

Gasoline: An adaptable implementation of TreeSPH  

E-Print Network [OSTI]

The key algorithms and features of the Gasoline code for parallel hydrodynamics with self-gravity are described. Gasoline is an extension of the efficient Pkdgrav parallel N-body code using smoothed particle hydrodynamics. Accuracy measurements, performance analysis and tests of the code are presented. Recent successful Gasoline applications are summarized. These cover a diverse set of areas in astrophysics including galaxy clusters, galaxy formation and gas-giant planets. Future directions for gasdynamical simulations in astrophysics and code development strategies for tackling cutting edge problems are discussed.

James Wadsley; Joachim Stadel; Thomas Quinn

2003-03-24T23:59:59.000Z

299

Decentralized robust control-system for a non-square MIMO system, the air-path of a turbocharged Diesel engine  

E-Print Network [OSTI]

and greenhouse gas pollutants. In this paper, a non-square multivariable controller for the air-path systemDecentralized robust control-system for a non-square MIMO system, the air-path of a turbocharged the performance of the proposed control-system. Keywords: Diesel engine air path, Robust control, CRONE

Paris-Sud XI, Université de

300

New EPA Fuel Economy and Environment Label - Gasoline Vehicles  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

Gasoline Vehicles Gasoline Vehicles Gasoline Vehicles Fuel Economy In addition to the MPG estimates displayed on previous labels, combined city/highway fuel use is also given in terms of gallons per 100 miles. New! Fuel Economy & Greenhouse Gas Rating Use this scale to compare vehicles based on tailpipe greenhouse gas emissions, which contribute to climate change. New! Smog Rating You can now compare vehicles based on tailpipe emissions of smog-forming air pollutants. New! Five-Year Fuel Savings This compares the five-year fuel cost of the vehicle to that of an average gasoline vehicle. The assumptions used to calculate these costs are listed at the bottom of the label. Annual Fuel Cost This cost is based on the combined city/highway MPG estimate and assumptions about driving and fuel prices listed at the bottom of the

Note: This page contains sample records for the topic "ratio turbocharged gasoline" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


301

Petroleum Products Table 31. Motor Gasoline Prices by Grade...  

Annual Energy Outlook 2013 [U.S. Energy Information Administration (EIA)]

99.2 - 105.3 See footnotes at end of table. 56 Energy Information AdministrationPetroleum Marketing Annual 2000 Table 31. Motor Gasoline Prices by Grade, Sales Type, PAD...

302

Petroleum Products Table 31. Motor Gasoline Prices by Grade...  

Gasoline and Diesel Fuel Update (EIA)

66.6 - 72.3 See footnotes at end of table. 56 Energy Information Administration Petroleum Marketing Annual 1995 Table 31. Motor Gasoline Prices by Grade, Sales Type, PAD...

303

Petroleum Products Table 43. Refiner Motor Gasoline Volumes...  

Annual Energy Outlook 2013 [U.S. Energy Information Administration (EIA)]

133.6 - 276.4 See footnotes at end of table. 220 Energy Information AdministrationPetroleum Marketing Annual 2000 Table 43. Refiner Motor Gasoline Volumes by Grade, Sales Type,...

304

Petroleum Products Table 43. Refiner Motor Gasoline Volumes...  

Annual Energy Outlook 2013 [U.S. Energy Information Administration (EIA)]

201.3 - 453.3 See footnotes at end of table. 262 Energy Information Administration Petroleum Marketing Annual 1995 Table 43. Refiner Motor Gasoline Volumes by Grade, Sales Type,...

305

Fact #639: September 6, 2010 Gasoline Tax Rates by State  

Broader source: Energy.gov [DOE]

The Federal Excise Tax on motor gasoline is 18.4 cents per gallon for all states. Each state applies additional taxes which vary from state to state. As of July 2010, Alaska had the lowest overall...

306

Lean Gasoline System Development for Fuel Efficient Small Car...  

Broader source: Energy.gov (indexed) [DOE]

Small Car Lean Gasoline System Development for Fuel Efficient Small Car Vehicle Technologies Office Merit Review 2014: ATP-LD; Cummins Next Generation Tier 2 Bin 2 Diesel Engine...

307

FedEx Express Gasoline Hybrid Electric Delivery Truck Evaluation...  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

vehicles currently in service. FedEx Express has deployed 20 gasoline hybrid electric vehicles (gHEVs) on parcel delivery routes in the Sacramento and Los Angeles areas. This...

308

U.S. gasoline prices increase slightly (short version)  

Annual Energy Outlook 2013 [U.S. Energy Information Administration (EIA)]

average retail price for regular gasoline rose slightly to 3.55 a gallon on Monday. That's up 2-tenths of a penny from a week ago, based on the weekly price survey by the U.S....

309

U.S. gasoline prices continue to increase (short version)  

Annual Energy Outlook 2013 [U.S. Energy Information Administration (EIA)]

The U.S. average retail price for regular gasoline rose to 3.68 a gallon on Monday. That's up 4 12 cents from a week ago, based on the weekly price survey by the U.S. Energy...

310

U.S. gasoline prices continue to increase (short version)  

Gasoline and Diesel Fuel Update (EIA)

average retail price for regular gasoline rose to 3.61 a gallon on Labor Day Monday. That's up 5.6 cents from a week ago, based on the weekly price survey by the U.S. Energy...

311

U.S. gasoline prices increase slightly (long version)  

Annual Energy Outlook 2013 [U.S. Energy Information Administration (EIA)]

average retail price for regular gasoline rose slightly to 3.36 a gallon on Monday. That's up 6-tenths of a penny from a week ago, based on the weekly price survey by the U.S....

312

U.S. gasoline prices continue to decrease (short version)  

Gasoline and Diesel Fuel Update (EIA)

The U.S. average retail price for regular gasoline fell to 3.51 a gallon on Monday. That's down a penny from a week ago and down 13 cents from a month ago, based on the weekly...

313

U.S. average gasoline price up slightly  

Annual Energy Outlook 2013 [U.S. Energy Information Administration (EIA)]

average retail price for regular gasoline rose slightly to 3.65 a gallon on Monday. That's up a tenth of a penny from a week ago, based on the weekly price survey by the U.S....

314

U.S. gasoline prices increase slightly (short version)  

Annual Energy Outlook 2013 [U.S. Energy Information Administration (EIA)]

average retail price for regular gasoline rose slightly to 3.36 a gallon on Monday. That's up 6-tenths of a penny from a week ago, based on the weekly price survey by the U.S....

315

U.S. gasoline prices continue to increase (long version)  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

The U.S. average retail price for regular gasoline rose to 3.68 a gallon on Monday. That's up 4 12 cents from a week ago, based on the weekly price survey by the U.S. Energy...

316

U.S. Gasoline prices continue to increase (long version)  

U.S. Energy Information Administration (EIA) Indexed Site

average retail price for regular gasoline rose to 3.61 a gallon on Labor Day Monday. That's up 5.6 cents from a week ago, based on the weekly price survey by the U.S. Energy...

317

Gasoline Prices, Fuel Economy, and the Energy Paradox  

E-Print Network [OSTI]

It is often asserted that consumers purchasing automobiles or other goods and services underweight the costs of gasoline or other "add-ons." We test this hypothesis in the US automobile market by examining the effects of ...

Wozny, Nathan

318

Table 43. Refiner Motor Gasoline Volumes by Grade, Sales Type...  

Gasoline and Diesel Fuel Update (EIA)

2,026.7 W W 234.5 161.7 - 396.3 See footnotes at end of table. 43. Refiner Motor Gasoline Volumes by Grade, Sales Type, PAD District, and State 262 Energy Information...

319

Table 34. Reformulated Motor Gasoline Prices by Grade, Sales...  

Annual Energy Outlook 2013 [U.S. Energy Information Administration (EIA)]

70.8 92.7 90.7 81.5 72.8 - 78.0 See footnotes at end of table. 34. Reformulated Motor Gasoline Prices by Grade, Sales Type, PAD District, and State 146 Energy Information...

320

Table 43. Refiner Motor Gasoline Volumes by Grade, Sales Type...  

Gasoline and Diesel Fuel Update (EIA)

2,222.4 W W 206.4 134.3 - 340.7 See footnotes at end of table. 43. Refiner Motor Gasoline Volumes by Grade, Sales Type, PAD District, and State 262 Energy Information...

Note: This page contains sample records for the topic "ratio turbocharged gasoline" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


321

Table 48. Prime Supplier Sales Volumes of Motor Gasoline by...  

Annual Energy Outlook 2013 [U.S. Energy Information Administration (EIA)]

466.1 466.1 See footnotes at end of table. 48. Prime Supplier Sales Volumes of Motor Gasoline by Grade, Formulation, PAD District, and State 356 Energy Information Administration...

322

Table 34. Reformulated Motor Gasoline Prices by Grade, Sales...  

Gasoline and Diesel Fuel Update (EIA)

71.7 92.3 89.9 82.6 72.7 - 78.2 See footnotes at end of table. 34. Reformulated Motor Gasoline Prices by Grade, Sales Type, PAD District, and State 146 Energy Information...

323

Table 48. Prime Supplier Sales Volumes of Motor Gasoline by...  

Annual Energy Outlook 2013 [U.S. Energy Information Administration (EIA)]

532.1 532.1 See footnotes at end of table. 48. Prime Supplier Sales Volumes of Motor Gasoline by Grade, Formulation, PAD District, and State 356 Energy Information Administration...

324

Demand and Price Volatility: Rational Habits in International Gasoline Demand  

E-Print Network [OSTI]

analysis of the demand for oil in the Middle East. EnergyEstimates elasticity of demand for crude oil, not gasoline.World crude oil and natural gas: a demand and supply model.

Scott, K. Rebecca

2011-01-01T23:59:59.000Z

325

Demand and Price Uncertainty: Rational Habits in International Gasoline Demand  

E-Print Network [OSTI]

analysis of the demand for oil in the Middle East. EnergyEstimates elasticity of demand for crude oil, not gasoline.World crude oil and natural gas: a demand and supply model.

Scott, K. Rebecca

2013-01-01T23:59:59.000Z

326

CO2 Emission Benefit of Diesel (versus Gasoline) Powered Vehicles  

Science Journals Connector (OSTI)

Increased penetration of diesel powered vehicles into the market is a possible transition strategy toward a more sustainable transportation system. ... We report herein a quantitative analysis of the CO2 emission benefits of diesel vehicles versus their gasoline equivalents for 2001 MY and 2015 MY in European and North American markets. ... However, more stringent tailpipe NOx emissions standards are likely to have a greater negative impact on diesel engines, further reducing the advantages of future diesels relative to gasoline engines. ...

J. L. Sullivan; R. E. Baker; B. A. Boyer; R. H. Hammerle; T. E. Kenney; L. Muniz; T. J. Wallington

2004-05-13T23:59:59.000Z

327

Restructuring: The Changing Face of Motor Gasoline Marketing  

Reports and Publications (EIA)

This report reviews the U.S. motor gasoline marketing industry during the period 1990 to 1999, focusing on changes that occurred during the period. The report incorporates financial and operating data from the Energy Information Administration's Financial Reporting System (FRS), motor gasoline outlet counts collected by the National Petroleum News from the states, and U.S. Census Bureau salary and employment data published in County Business Patterns.

2001-01-01T23:59:59.000Z

328

Determination of lead in gasoline by atomic absorption spectroscopy  

Science Journals Connector (OSTI)

A procedure has been developed for the direct determination of lead in gasoline by atomic absorption spectroscopy. This procedure is rapid, does not require expensive equipment, is remarkably free from interference by other trace elements present, and allows considerable variation in the sulfur and nitrogen content of the gasoline. It compares favorably with other existing procedures for this determination, such as X-ray fluorescence, wet chemical methods, and flame photometry.

J.W. Robinson

1961-01-01T23:59:59.000Z

329

Conversion of methane and acetylene into gasoline range hydrocarbons  

E-Print Network [OSTI]

CONVERSION OF METHANE AND ACETYLENE INTO GASOLINE RANGE HYDROCARBONS A Thesis by AMMAR ALKHAWALDEH Submitted to the Office of Graduate Studies of Texas A&M University in partial fulfillment of the requirements for the degree of MASTER... OF SCIENCE May 2000 Major Subject: Chemical Engineering CONVERSION OF METHANE AND ACETYLENE INTO GASOLINE RANGE HYDROCARBONS A Thesis by AMMAR ALKHAWALDEH Submitted to the Office of Graduate Studies of Texas A&M University in partial fulfillment...

Alkhawaldeh, Ammar

2012-06-07T23:59:59.000Z

330

Gasoline Engine Economy as Affected by the Time of Ignition  

E-Print Network [OSTI]

KU ScholarWorks | The University of Kansas Pre-1923 Dissertations and Theses Collection Gasoline Engine Economy as Affected by the Time of Ignition 1907 by George Jay Hopkins This work was digitized by the Scholarly Communications program staff... in the KU Libraries’ Center for Digital Scholarship. http://kuscholarworks.ku.edu Submitted to the University of Kansas in partial fulfillment of the requirements for the Degree of Bachelor of Science GASOLINE ENCUNE ECONOMY as Affected W the Time...

Hopkins, George Jay

1907-01-01T23:59:59.000Z

331

Gas-chromatographic analysis of straight-run gasolines  

SciTech Connect (OSTI)

A method has been developed for the gas chromatographic determination of the individual hydrocarbons in a wide fraction of straight-run gasoline, using a simple chromatograph equipped with two capillary columns coated with stationary phases of differing polarity in conjunction with a system for the automated treatment of the data. About 150 hydrocarbons present in straight-run gasolines were identified; their retention indices were calculated for a linear temperature programmed regime.

Kvasova, V.A.; Leont'eva, S.A.; Grinberg, A.A.; Rabinovich, A.B.; Shurygina, N.N.

1986-11-10T23:59:59.000Z

332

Production of synthetic gasoline and diesel fuel from nonpetroleum resources  

SciTech Connect (OSTI)

In late 1985, the New Zealand Gas-to-Gasoline Complex was successfully streamed producing high octane gasoline from natural gas. The heart of this complex is the Mobil fixed-bed Methanol-to-Gasoline (MTG) section which represents one of several newly developed technologies for production of synthetic gasoline and diesel fuels. All of these technologies are based on production of methanol by conventional technology, followed by conversion of the methanol to transportation fuel. The fixed-bed (MTG) process has been developed and commercialized. The fluid-bed version of the MTG process, which is now also available for commercial license, has a higher thermal efficiency and possesses substantial yield and octane number advantages over the fixed-bed. Successful scale-up was completed in 1984 in a 100 BPD semi-works plant in Wesseling, Federal Republic of Germany. The project was funded jointly by the U.S. and German governments and by the industrial participants: Mobil, Union Rheinsche Braunkohlen Kraftstoff, AG; and Uhde, GmbH. This fluid-bed MTG project was extended recently to demonstrate a related fluid-bed process for selective conversion of methanol to olefins (MTO). The MTO process can be combined with Mobil's commercially available olefins conversion process (Mobil-Olefins-to-Gasoline-and-Distillate, MOGD) for coproduction of high quality gasoline and distillate via methanol. This MTO process was also successfully demonstrated at the Wesseling semiworks with this project being completed in late 1985.

Tabak, S.A.; Avidan, A.A.; Krambeck, F.J.

1986-04-01T23:59:59.000Z

333

Conversion of gas-condensate straight-run gasolines to high-octane gasolines over zeolite catalysts modified with metal nanopowders  

Science Journals Connector (OSTI)

The acid and catalytic properties of zeolite catalysts modified with metal nanopowders (Cu, Zn, and W) were studied in the conversion of gas-condensate straight-run gasolines to high-liquid high-octane gasolines ...

V. I. Erofeev; A. S. Medvedev; I. S. Khomyakov…

2013-07-01T23:59:59.000Z

334

Combustion behavior of gasoline and gasoline/ethanol blends in a modern direct-injection 4-cylinder engine.  

SciTech Connect (OSTI)

Early in 2007 President Bush announced in his State of the Union Address a plan to off-set 20% of gasoline with alternative fuels in the next ten years. Ethanol, due to its excellent fuel properties for example, high octane number, renewable character, etc., appears to be a favorable alternative fuel from an engine perspective. Replacing gasoline with ethanol without any additional measures results in unacceptable disadvantages mainly in terms of vehicle range.

Wallner, T.; Miers, S. A. (Energy Systems)

2008-04-01T23:59:59.000Z

335

Converting the Sun's Heat to Gasoline Solar Fuel Corporation is a clean tech company transforming the way gasoline, diesel and hydrogen fuels  

E-Print Network [OSTI]

Converting the Sun's Heat to Gasoline Solar Fuel Corporation is a clean tech company transforming the way gasoline, diesel and hydrogen fuels are created and produced. The company has a proprietary technology for converting solar thermal en- ergy (the sun's heat) to fuel (e.g., gasoline, diesel, hydrogen

Jawitz, James W.

336

Vehicle Technologies Office: Fact #317: April 26, 2004 State Gasoline Tax  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

7: April 26, 7: April 26, 2004 State Gasoline Tax Rates to someone by E-mail Share Vehicle Technologies Office: Fact #317: April 26, 2004 State Gasoline Tax Rates on Facebook Tweet about Vehicle Technologies Office: Fact #317: April 26, 2004 State Gasoline Tax Rates on Twitter Bookmark Vehicle Technologies Office: Fact #317: April 26, 2004 State Gasoline Tax Rates on Google Bookmark Vehicle Technologies Office: Fact #317: April 26, 2004 State Gasoline Tax Rates on Delicious Rank Vehicle Technologies Office: Fact #317: April 26, 2004 State Gasoline Tax Rates on Digg Find More places to share Vehicle Technologies Office: Fact #317: April 26, 2004 State Gasoline Tax Rates on AddThis.com... Fact #317: April 26, 2004 State Gasoline Tax Rates At 7.5 cents per gallon, Georgia had the lowest state gasoline tax in the

337

Study Reveals Fuel Injection Timing Impact on Particle Number...  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

increasingly turning to gasoline direct injection (GDI) coupled with turbocharging as a cost-effective option for improving the efficiency and performance of gasoline engines....

338

Climate and Transportation Solutions: Findings from the 2009 Asilomar Conference on Transportation and Energy Policy  

E-Print Network [OSTI]

current gasoline engine; GDI = gasoline direct injection Adirect injection (GDI) technology and turbocharging, whichaccessory optimization with new GDI technology, which would

Sperling, Daniel; Cannon, James S.

2010-01-01T23:59:59.000Z

339

MTBE, Oxygenates, and Motor Gasoline (Released in the STEO October 1999)  

Reports and Publications (EIA)

The blending of methyl tertiary butyl ether (MTBE) into motor gasoline has increased dramatically since it was first produced 20 years ago. MTBE usage grew in the early 1980's in response to octane demand resulting initially from the phaseout of lead from gasoline and later from rising demand for premium gasoline. The oxygenated gasoline program stimulated an increase in MTBE production between 1990 and 1994. MTBE demand increased from 83,000 in 1990 to 161,000 barrels per day in 1994. The reformulated gasoline (RFG) program provided a further boost to oxygenate blending. The MTBE contained in motor gasoline increased to 269,000 barrels per day by 1997.

1999-01-01T23:59:59.000Z

340

Use of ethers as high-octane components of gasolines  

SciTech Connect (OSTI)

This article reports on a study of the possible utilization of methyl tert-amyl ether (MTAE) as an automotive gasoline component, both by itself and in combination with methyl tert-butyl ether (MTBE). The naphtha used in these studies consisted of 80% reformer naphtha produced under severe conditions and 20% straight-run IBP-62/sup 0/C cut. The physicochemical properties of the MTAE, the MTBE, and the naphtha base stock are given. It is determined that MTAE, which has a slightly poorer knock resistance than MTBE, is fully equal to MTBE in all other respects and can be used as an automotive gasoline component; that a gasoline blend prepared from 89% naphtha base stock, 5.5% MTAE, and 5.5% MTBE meets all of the requirements of the standard GOST 2084-77 for Grade AI-93 gasoline; and that the use of MTAE offers a means for expanding the resources of high-octane components, lowering the toxicity of the gasolines and the exhaust gas (in comparison with organometallic antiknock agents), and bringing non-petroleum raw materials into the fuel production picture.

Gureev, A.A.; Baranova, G.N.; Korotkov, I.V.; Levinson, G.I.

1984-01-01T23:59:59.000Z

Note: This page contains sample records for the topic "ratio turbocharged gasoline" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


341

Multiple Injection and Boosting Benefits for Improved Fuel Consumption on a Spray Guided Direct Injection Gasoline Engine  

Science Journals Connector (OSTI)

The combination of turbocharging and direct injection offers a significant potential for SI engines to improve fuel consumption, specific power output, raw emissions and ... shows the latest results of the T-SGDI...

Jason King; Oliver Böcker

2013-01-01T23:59:59.000Z

342

New Vehicle Choices, Fuel Economy and Vehicle Incentives: An Analysis of Hybrid Tax Credits and Gasoline Tax  

E-Print Network [OSTI]

An Analysis of Hybrid Tax Credits and the Gasoline TaxAn Analysis of Hybrid Tax Credits and the Gasoline Tax byAn Analysis of Hybrid Tax Credits and the Gasoline Tax by

Martin, Elliot William

2009-01-01T23:59:59.000Z

343

New Vehicle Choice, Fuel Economy and Vehicle Incentives: An Analysis of Hybrid Tax Credits and the Gasoline Tax  

E-Print Network [OSTI]

An Analysis of Hybrid Tax Credits and the Gasoline TaxAn Analysis of Hybrid Tax Credits and the Gasoline Tax byAn Analysis of Hybrid Tax Credits and the Gasoline Tax by

Martin, Elliott William

2009-01-01T23:59:59.000Z

344

A Comparison of Ten Different Methods for the Analysis of Saturates, Olefins, Benzene, Total Aromatics, and Oxygenates in Finished Gasolines  

Science Journals Connector (OSTI)

......overview of the changing European gasoline specifications with time...combined. These reformulated gasolines may now contain straight run naphtha, fluid catalytically...analysis of hydrocarbon types in gasoline is the fluorescent indi- cator......

Jan Beens; Hans Thomas Feuerhelm; Jörg-Christian Fröhling; Jerry Watt; Gertjan Schaatsbergen

345

Estimation of Individual C8 to C10 Aromatic Hydrocarbons in Naphthas and Motor Gasolines by Capillary Gas Chromatography  

Science Journals Connector (OSTI)

......naphthas and motor gasolines is o f great importance...C10 aromatics in straight run, processed naphtha...reformed, and motor gasolines), or i n aromatic...analysis in any straight run, reformed naphthas, and gasolines with final boiling......

Basant Kumar; R.K. Kuchhal; Pradeep Kumar; P.L. Gupta

1986-03-01T23:59:59.000Z

346

Emission Characteristics of a Diesel Engine Operating with In-Cylinder Gasoline and Diesel Fuel Blending  

SciTech Connect (OSTI)

Advanced combustion regimes such as homogeneous charge compression ignition (HCCI) and premixed charge compression ignition (PCCI) offer benefits of reduced nitrogen oxides (NOx) and particulate matter (PM) emissions. However, these combustion strategies often generate higher carbon monoxide (CO) and hydrocarbon (HC) emissions. In addition, aldehydes and ketone emissions can increase in these modes. In this study, the engine-out emissions of a compression-ignition engine operating in a fuel reactivity- controlled PCCI combustion mode using in-cylinder blending of gasoline and diesel fuel have been characterized. The work was performed on a 1.9-liter, 4-cylinder diesel engine outfitted with a port fuel injection system to deliver gasoline to the engine. The engine was operated at 2300 rpm and 4.2 bar brake mean effective pressure (BMEP) with the ratio of gasoline to diesel fuel that gave the highest engine efficiency and lowest emissions. Engine-out emissions for aldehydes, ketones and PM were compared with emissions from conventional diesel combustion. Sampling and analysis was carried out following micro-tunnel dilution of the exhaust. Particle geometric mean diameter, number-size distribution, and total number concentration were measured by a scanning mobility particle sizer (SMPS). For the particle mass measurements, samples were collected on Teflon-coated quartz-fiber filters and analyzed gravimetrically. Gaseous aldehydes and ketones were sampled using dinitrophenylhydrazine-coated solid phase extraction cartridges and the extracts were analyzed by liquid chromatography/mass spectrometry (LC/MS). In addition, emissions after a diesel oxidation catalyst (DOC) were also measured to investigate the destruction of CO, HC and formaldehydes by the catalyst.

Prikhodko, Vitaly Y [ORNL; Curran, Scott [ORNL; Barone, Teresa L [ORNL; Lewis Sr, Samuel Arthur [ORNL; Storey, John Morse [ORNL; Cho, Kukwon [ORNL; Wagner, Robert M [ORNL; Parks, II, James E [ORNL

2010-01-01T23:59:59.000Z

347

Gasoline Price Volatility Is a Concern This Summer  

Gasoline and Diesel Fuel Update (EIA)

5 of 5 5 of 5 Notes: March began with gasoline spot prices showing large increases over crude oil. Spot prices were nearly 20 cents per gallon over the already high crude oil prices, when normally the spread would be half that size. This spread was comparable to the spread seen in August 1997 when high demand, low stocks, and some refinery problems cause prices to surge. By the end of March the spread had fallen to about 16 cents per gallon, and by mid April was at about 11 cents per gallon as the inventory situation improved. Crude oil prices have also been falling, pulling gasoline spot prices down. Retail prices, which lag behind changes in the spot market, are turning down also. Regular gasoline prices peaked the week of March 20 at $1.53 and fell to $1.48 the week of April 10.

348

Short-Term Energy Outlook April 1999-Summer Gasoline Outlook  

Gasoline and Diesel Fuel Update (EIA)

Summer Motor Gasoline Outlook Summer Motor Gasoline Outlook This year's base case outlook for summer (April-September) motor gasoline markets may be summarized as follows: * Pump Prices: (average regular) projected to average about $1.13 per gallon this summer, up 9-10 cents from last year. The increase, while substantial, still leaves average prices low compared to pre-1998 history, especially in inflation-adjusted terms. * Supplies: expected to be adequate, overall. Beginning-of-season inventories were even with the 1998 level, which was at the high end of the normal range. However, some refinery problems on the West Coast have tightened things up, at least temporarily. * Demand: up 2.0 percent from last summer due to solid economic growth and low (albeit rising) fuel prices; highway travel may reach 1.4 trillion miles for the

349

Gasoline Price Volatility Is a Concern This Summer  

Gasoline and Diesel Fuel Update (EIA)

6 6 Notes: Last summer's low stocks and transition to Phase 2 RFG added price pressure over and above the already high crude price pressure on gasoline. As we ended last winter, gasoline inventories were low, and the spread between spot prices and crude oil were higher than typical as a result. Inventories did not recover and the spread remained higher than average through most of the summer. In November and December, as gasoline demand eased, prices relaxed and spreads returned to average levels -- only to rebound again in January and February as refineries began to undergo maintenance and the market watched the already low stock cushion erode further. This February, spreads are higher than last year -- averaging 14 cents so far. This is about twice what we would typically see this time of

350

Alternative Fuels Data Center: Tier 2 Vehicle and Gasoline Sulfur Program  

Alternative Fuels and Advanced Vehicles Data Center [Office of Energy Efficiency and Renewable Energy (EERE)]

Tier 2 Vehicle and Tier 2 Vehicle and Gasoline Sulfur Program to someone by E-mail Share Alternative Fuels Data Center: Tier 2 Vehicle and Gasoline Sulfur Program on Facebook Tweet about Alternative Fuels Data Center: Tier 2 Vehicle and Gasoline Sulfur Program on Twitter Bookmark Alternative Fuels Data Center: Tier 2 Vehicle and Gasoline Sulfur Program on Google Bookmark Alternative Fuels Data Center: Tier 2 Vehicle and Gasoline Sulfur Program on Delicious Rank Alternative Fuels Data Center: Tier 2 Vehicle and Gasoline Sulfur Program on Digg Find More places to share Alternative Fuels Data Center: Tier 2 Vehicle and Gasoline Sulfur Program on AddThis.com... More in this section... Federal State Advanced Search All Laws & Incentives Sorted by Type Tier 2 Vehicle and Gasoline Sulfur Program

351

Overview of sSupply of Chicago/Milwaukee Gasoline This Spring:  

Gasoline and Diesel Fuel Update (EIA)

Supply of Chicago/Milwaukee Gasoline Spring 20001 Supply of Chicago/Milwaukee Gasoline Spring 20001 Joanne Shore, Petroleum Division Tight Supply at the Beginning of Summer Gasoline Season This summer's run-up in Midwest gasoline prices, like other recent price spikes, stemmed from a number of factors. The stage was set for gasoline volatility as a result of tight crude oil supplies, which led to low crude oil and low product stocks and relatively high crude oil prices. With little stock cushion to absorb unexpected events, Midwest gasoline prices surged when a number of supply problems developed, including pipeline and refinery supply problems, and an unexpectedly difficult transition to summer-grade Phase II reformulated gasoline (RFG). Prior to the current summer driving season, gasoline stocks were low

352

Vehicle Technologies Office: Fact #569: May 4, 2009 Gasoline Prices Around  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

9: May 4, 2009 9: May 4, 2009 Gasoline Prices Around the World to someone by E-mail Share Vehicle Technologies Office: Fact #569: May 4, 2009 Gasoline Prices Around the World on Facebook Tweet about Vehicle Technologies Office: Fact #569: May 4, 2009 Gasoline Prices Around the World on Twitter Bookmark Vehicle Technologies Office: Fact #569: May 4, 2009 Gasoline Prices Around the World on Google Bookmark Vehicle Technologies Office: Fact #569: May 4, 2009 Gasoline Prices Around the World on Delicious Rank Vehicle Technologies Office: Fact #569: May 4, 2009 Gasoline Prices Around the World on Digg Find More places to share Vehicle Technologies Office: Fact #569: May 4, 2009 Gasoline Prices Around the World on AddThis.com... Fact #569: May 4, 2009 Gasoline Prices Around the World

353

UNIT NUMBER C-7S0A Gasoline UST UNIT NAME REGULATORY STATUS:...  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

2 UNIT NUMBER C-7S0A Gasoline UST UNIT NAME REGULATORY STATUS: AOC LOCATION: Southeast corner C-750 APPROXIMATE DIMENSIONS: 10,000 gallon FUNCTION: Gasoline storage OPERATIONAL...

354

Who is Exposed to Gas Prices? How Gasoline Prices Affect Automobile Manufacturers and Dealerships  

E-Print Network [OSTI]

Who is Exposed to Gas Prices? How Gasoline Prices Affect Automobile Manufacturers and Dealerships Prices Affect Automobile Manufacturers and Dealerships Abstract Many consumers are keenly aware, by contrast, we investigate how gasoline prices affect the automobile industry: manufacturers and dealerships

Rothman, Daniel

355

U.S. gasoline price falls below $2.90 (short version)  

U.S. Energy Information Administration (EIA) Indexed Site

gasoline price falls below 2.90 (short version) The U.S. average retail price for regular gasoline fell to 2.89 a gallon on Monday. That's down 4.7 cents from a week ago, based...

356

,"U.S. Sales for Resale, Total Refiner Motor Gasoline Sales Volumes...  

U.S. Energy Information Administration (EIA) Indexed Site

for Refiner Gasoline Volumes" "Sourcekey","A103700001" "Date","U.S. Total Gasoline WholesaleResale Volume by Refiners (Thousand Gallons per Day)" 30331,217871.4 30362,217946.8...

357

Fact #675: May 16, 2011 Gasoline Prices by Region, May 2, 2011  

Broader source: Energy.gov [DOE]

The West Coast region paid the highest prices for gasoline averaging $4.14 for a gallon of regular gasoline while the Rocky Mountain region paid the least at $3.70 per gallon. The southern states,...

358

Rapid determination of trace concentrations of lead in gasoline by anodic stripping voltammetry  

Science Journals Connector (OSTI)

Anodic stripping voltammetry can be used for the determination of ?g/l concentrations of lead in gasoline. A gasoline sample is extracted with iodine monochloride reagent solution. An aliquot of the aqueous ph...

Pentti Laukkanen

359

Remediation of Releases Containing MTBE at Gasoline Station Sites—ENSR International’s Experience  

Science Journals Connector (OSTI)

This chapter summarizes ENSR’s national and international experience remediating MTBE and other gasoline constituents in soil and ground water at retail gasoline station sites. ENSR has extensive experience in...

Robert M. Cataldo P.G.

2003-01-01T23:59:59.000Z

360

A short and simple explanation of how oil is converted into gasoline and then brought to  

E-Print Network [OSTI]

A short and simple explanation of how oil is converted into gasoline and then brought to you the products produced from this petroleum, gasoline represents about half of the total product volume

Note: This page contains sample records for the topic "ratio turbocharged gasoline" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


361

U.S. gasoline prices decreases for 16th week in a row; breaking...  

U.S. Energy Information Administration (EIA) Indexed Site

18, 2015 U.S. gasoline prices decreases for 16th week in a row; breaking previous record set in 2008 (long version) The U.S. average retail price for regular gasoline fell 7.3...

362

U.S. gasoline price expected to drop further below $3 per gallon  

U.S. Energy Information Administration (EIA) Indexed Site

gasoline price expected to drop further below 3 per gallon The national average pump price of gasoline dropped below 3 per gallon last week for the first time in nearly four...

363

U.S. gasoline price expected to drop further below $3 per gallon  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

Declining fuel prices to push U.S. gasoline demand to an 8-year high In its new forecast, the U.S. Energy Information Administration said domestic gasoline consumption this year...

364

U.S. gasoline prices continues to decrease at lowest level since...  

U.S. Energy Information Administration (EIA) Indexed Site

5, 2015 U.S. gasoline prices continues to decrease at lowest level since May 2009; 2 states with sub 2 prices (short version) The U.S. average retail price for regular gasoline...

365

U.S. gasoline prices decreases for 16th week in a row; breaking...  

U.S. Energy Information Administration (EIA) Indexed Site

gasoline prices decreases for 16th week in a row; breaking previous record set in 2008 (short version) The U.S. average retail price for regular gasoline fell 7.3 cents from a week...

366

U.S. gasoline prices continues to decrease; 2 states with sub...  

U.S. Energy Information Administration (EIA) Indexed Site

5, 2015 U.S. gasoline prices continues to decrease; 2 states with sub 2 prices (long version) The U.S. average retail price for regular gasoline fell to 2.21 a gallon on Monday....

367

U.S. gasoline price decreases for 17th week in a row (short version...  

U.S. Energy Information Administration (EIA) Indexed Site

gasoline price decreases for 17th week in a row (short version) The U.S. average retail price for regular gasoline fell for the 17th week in a row to 2.04 a gallon on Monday....

368

Destructive hydroisomerization – A new method of reducing benzine content in commercial gasoline  

Science Journals Connector (OSTI)

A destructive process of hydroisomerization of straight-run 85–185°C gasoline fraction followed by close fractionation of the ... submitted to catalytic reforming under mild conditions. Gasoline with octane numbe...

Kh. I. Abad-Zade; Z. A. Gasymova…

2012-05-01T23:59:59.000Z

369

Evidence of a Shift in the Short-Run Price Elasticity of Gasoline Demand  

E-Print Network [OSTI]

demand shocks. Since gasoline demand and oil price areto gasoline demand shocks. In Venezuela, a strike by oildemand is likely correlated with the prices of other refinery outputs via the price of oil.

Hughes, Jonathan; Knittel, Christopher R; Sperling, Dan

2007-01-01T23:59:59.000Z

370

Vehicle Technologies Office Merit Review 2014: High Compression Ratio Turbo Gasoline Engine Operation Using Alcohol Enhancement  

Broader source: Energy.gov [DOE]

Presentation given by Massachusetts Institute of Technology at 2014 DOE Hydrogen and Fuel Cells Program and Vehicle Technologies Office Annual Merit Review and Peer Evaluation Meeting about high...

371

Advanced Membrane Systems: Recovering Wasteful and Hazardous Fuel Vapors at the Gasoline Tank  

Broader source: Energy.gov [DOE]

Case study covering Compact Membrane Systems, Inc. and its membrane vapor processor that recovers fuel vapors from gasoline refueling.

372

Load Expansion with Diesel/Gasoline RCCI for Improved Engine Efficiency and Emissions  

Broader source: Energy.gov [DOE]

This poster will describe preliminary emission results of gasoline/diesel RCCI in a medium-duty diesel engine.

373

Characterization of Pre-Commercial Gasoline Engine Particulates Through Advanced Aerosol Methods  

Broader source: Energy.gov [DOE]

Advanced aerosol analysis methods were used to examine particulates from single cylinder test engines running on gasoline and ethanol blends.

374

Ammonia Generation over TWC for Passive SCR NOX Control for Lean Gasoline Engines  

SciTech Connect (OSTI)

A commercial three-way catalyst (TWC) was evaluated for ammonia (NH3) generation on a 2.0-liter BMW lean burn gasoline direct injection engine as a component in a passive ammonia selective catalytic reduction (SCR) system. The passive NH3 SCR system is a potential low cost approach for controlling nitrogen oxides (NOX) emissions from lean burn gasoline engines. In this system, NH3 is generated over a close-coupled TWC during periodic slightly rich engine operation and subsequently stored on an underfloor SCR catalyst. Upon switching to lean, NOX passes through the TWC and is reduced by the stored NH3 on the SCR catalyst. NH3 generation was evaluated at different air-fuel equivalence ratios at multiple engine speed and load conditions. Near complete conversion of NOX to NH3 was achieved at =0.96 for nearly all conditions studied. At the =0.96 condition, HC emissions were relatively minimal, but CO emissions were significant. Operation at AFRs richer than =0.96 did not provide more NH3 yield and led to higher HC and CO emissions. Results of the reductant conversion and consumption processes were used to calculate a representative fuel consumption of the engine operating with an ideal passive SCR system. The results show a 1-7% fuel economy benefit at various steady-state engine speed and load points relative to a stoichiometric engine operation.

Prikhodko, Vitaly Y [ORNL] [ORNL; Parks, II, James E [ORNL; Pihl, Josh A [ORNL] [ORNL; Toops, Todd J [ORNL] [ORNL

2014-01-01T23:59:59.000Z

375

Asymmetric and nonlinear pass-through of crude oil prices to gasoline and natural gas prices  

E-Print Network [OSTI]

Asymmetric and nonlinear pass-through of crude oil prices to gasoline and natural gas prices Ahmed distributed lags (NARDL) mod- el to examine the pass-through of crude oil prices into gasoline and natural gas the possibility to quantify the respective responses of gasoline and natural gas prices to positive and negative

Paris-Sud XI, Université de

376

Protozoa in Subsurface Sediments from Sites Contaminated with Aviation Gasoline or Jet Fuel  

Science Journals Connector (OSTI)

...with Aviation Gasoline or Jet Fuel James L. Sinclair 1 * Don H...of aviation gasoline and jet fuel spill areas at a Coast Guard...aerobic bacteria, protozoa, algae, and fungae in deep subsurface...aviation gasoline and JP-4 jet fuel in subsurface core samples...

James L. Sinclair; Don H. Kampbell; Mike L. Cook; John T. Wilson

1993-02-01T23:59:59.000Z

377

Atmospheric Environment 38 (2004) 14171423 Measurements of ion concentration in gasoline and diesel  

E-Print Network [OSTI]

Atmospheric Environment 38 (2004) 1417­1423 Measurements of ion concentration in gasoline of a gasoline engine (K-car) and a diesel engine (diesel generator). Under the experimental set-up reported all of the ions smaller than 3 nm in the gasoline engine exhaust, and is above 2.7 � 108 cm�3

Yu, Fangqun

378

Energy Policy 29 (2001) 11331143 Ethanol as a lead replacement: phasing out leaded gasoline in Africa  

E-Print Network [OSTI]

Energy Policy 29 (2001) 1133­1143 Ethanol as a lead replacement: phasing out leaded gasoline cost of lead additives and of gasoline, and the falling cost of ethanol and sugarcane, have created sugarcane is produced in Africa to replace all the lead used in African gasoline; this would require Africa

Thomas, Valerie

379

Gasoline price effects on traffic safety in urban and rural areas: Evidence from Minnesota, 19982007  

E-Print Network [OSTI]

Gasoline price effects on traffic safety in urban and rural areas: Evidence from Minnesota, 1998 February 2012 Received in revised form 3 May 2013 Accepted 24 May 2013 Keywords: Gasoline prices Traffic examines the role of gasoline prices in the occurrence of traffic crashes. However, no studies have

Levinson, David M.

380

CLEARING THE AIR? THE EFFECTS OF GASOLINE CONTENT REGULATION ON AIR QUALITY  

E-Print Network [OSTI]

CLEARING THE AIR? THE EFFECTS OF GASOLINE CONTENT REGULATION ON AIR QUALITY Maximilian Auffhammer and Ryan Kellogg* January 2009 Abstract This paper examines the effects of U.S. gasoline content gasoline markets and raise prices paid by consumers. We provide the first comprehensive empirical estimates

Edwards, Paul N.

Note: This page contains sample records for the topic "ratio turbocharged gasoline" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


381

he increasing frequency of detection of the widely used gasoline additive methyl tert-  

E-Print Network [OSTI]

T he increasing frequency of detection of the widely used gasoline additive methyl tert- butyl, the September 15, 1999, Report of the Blue Ribbon Panel on Oxygenates in Gasoline (1) states that between 5 with large releases (e.g., LUFTs). Unprecedented growth in use Use of MTBE as a gasoline additive began

382

The producer surplus associated with gasoline fuel use in the United States1  

E-Print Network [OSTI]

The producer surplus associated with gasoline fuel use in the United States1 Yongling Sun, Mark A. This paper estimates the producer surplus associated with changes in gasoline fuel use in the United States that affect oil use and oil imports to the US, and (2) comparing the actual average cost of gasoline

Lin, C.-Y. Cynthia

383

The impact of gasoline price changes on traffic safety: a time geography explanation Guangqing Chi a,  

E-Print Network [OSTI]

The impact of gasoline price changes on traffic safety: a time geography explanation Guangqing Chi, United States a r t i c l e i n f o Keywords: Time geography Gasoline prices Traffic safety Traffic crashes Fatal crashes Space­time path a b s t r a c t The impact of gasoline price changes on traffic

Levinson, David M.

384

Response to "Ethanol Production and Gasoline Prices: A Spurious Correlation" by Knittel and Smith  

E-Print Network [OSTI]

Response to "Ethanol Production and Gasoline Prices: A Spurious Correlation" by Knittel and Smith Beardshear Hall, (515) 294-7612." #12;1 Response to "Ethanol Production and Gasoline Prices: A Spurious and Aaron Smith attack the paper "The Impact of Ethanol Production on US and Regional Gasoline Markets

Rothman, Daniel

385

CARS, GAS, AND POLLUTION POLICIES Distributional and Efficiency Impacts of Gasoline Taxes  

E-Print Network [OSTI]

CARS, GAS, AND POLLUTION POLICIES Distributional and Efficiency Impacts of Gasoline Taxes, reduc- ing automobile-related gasoline consumption has become a major U.S. public policy issue. Recently, many analysts have called for new or more stringent policies to discourage gasoline consumption

Boyer, Edmond

386

Introduction The use of ethanol as a gasoline additive is likely to  

E-Print Network [OSTI]

Introduction The use of ethanol as a gasoline additive is likely to increase in the near future investigators have developed mathematical models for predicting the effect of ethanol (added to gasoline at 10 these models provide valuable insight into the potential ground water impacts of ethanol in gasoline

Alvarez, Pedro J.

387

Multiscale Strategic Planning Model for the Design of Integrated Ethanol and Gasoline Supply Chain  

E-Print Network [OSTI]

1 Multiscale Strategic Planning Model for the Design of Integrated Ethanol and Gasoline Supply address the design and planning of an integrated ethanol and gasoline supply chain. We assume, distribution centers where blending takes place, and the retail gas stations where different blends of gasoline

Grossmann, Ignacio E.

388

forthcoming in Economic Letters Incidence of Federal and State Gasoline Taxes  

E-Print Network [OSTI]

forthcoming in Economic Letters Incidence of Federal and State Gasoline Taxes Hayley Chouinarda, Berkeley, and member of the Giannini Foundation. Abstract The federal specific gasoline tax falls equally incidence of state taxes is greater in states that use relatively little gasoline. Author Keywords: Taxes

Perloff, Jeffrey M.

389

Gasoline accounts for about half the U.S. consumption of petroleum products, and its  

E-Print Network [OSTI]

2 Gasoline accounts for about half the U.S. consumption of petroleum products, and its price is the most visible among these products. As such, changes in gasoline prices are always under public scrutiny. Many claim to observe an asymmetric relationship between gasoline and oil prices -- specifically

390

Automakers' Short-Run Responses to Changing Gasoline Prices and the Implications for Energy Policy  

E-Print Network [OSTI]

Automakers' Short-Run Responses to Changing Gasoline Prices and the Implications for Energy Policy as if consumers respond to gasoline prices. We estimate a selection-corrected regression equation and exploit operating costs between vehicles. Keywords: automobile prices, gasoline prices, environmental policy JEL

Edwards, Paul N.

391

Stranded Vehicles: How Gasoline Taxes Change the Value of Households' Vehicle Assets  

E-Print Network [OSTI]

Stranded Vehicles: How Gasoline Taxes Change the Value of Households' Vehicle Assets Meghan Busse pollution caused by the burning of fossil fuels. Argu- ments against energy taxes, and gasoline taxes more incidence of the tax. We study the effect of a gasoline tax using changes in vehicle values. We construct

Rothman, Daniel

392

Study of Brazilian Gasoline Quality Using Hydrogen Nuclear Magnetic Resonance (1H NMR) Spectroscopy and Chemometrics  

E-Print Network [OSTI]

Study of Brazilian Gasoline Quality Using Hydrogen Nuclear Magnetic Resonance (1H NMR) Spectroscopy The identification of gasoline adulteration by organic solvents is not an easy task, because compounds that constitute the solvents are already in gasoline composition. In this work, the use of hydrogen nuclear

Ferreira, Márcia M. C.

393

The Origins of US Transportation Policy: Was There Ever Support for Gasoline Taxes?  

E-Print Network [OSTI]

The Origins of US Transportation Policy: Was There Ever Support for Gasoline Taxes? Christopher R consumption. Missing from these policies were taxes on either oil or gasoline, prompting a long economics press. In doing so, I pay particular attention to whether gasoline taxes were "on the table," as well

Rothman, Daniel

394

ATOC/CHEM 5151 Problem 9 Combustion of Gasoline and Conservation of Mass  

E-Print Network [OSTI]

ATOC/CHEM 5151 ­ Problem 9 Combustion of Gasoline and Conservation of Mass Answers will be posted Thursday, September 18, 2014 Gasoline is composed of a variety of hydrocarbons with 4 to 12 carbon atoms (e for the complete combustion of gasoline: _C8H18 + _O2 _CO2 + _H2O 1. Balance the equation (i.e., find

Toohey, Darin W.

395

Proton NMR characterization of gasoline–ethanol blends  

Science Journals Connector (OSTI)

Abstract Nuclear magnetic resonance (NMR) can be conveniently used for accurate measurement of water and ethanol concentrations in gasoline–ethanol fuel blends. The spectra also contain information on proton exchange rates. In addition, NMR pulsed-field-gradient diffusion measurement allows estimation of ethanol–water clusters and viscosity of the fuel blends.

A. Turanov; A.K. Khitrin

2014-01-01T23:59:59.000Z

396

Investigation of Fatalities Due to Acute Gasoline Poisoning  

Science Journals Connector (OSTI)

......may be absent in some northern winter markets (4). In accor- dance with European...The GC-FID patterns of gasoline, diesel-fuel, kerosene, 645 turpentine, etc...and 6, 1-methylnaphtalene (A). Diesel fuel (425 mg/L) peak identification......

María A. Martínez; Salomé Ballesteros

2005-10-01T23:59:59.000Z

397

U.S. gasoline prices continue to decrease (short version)  

U.S. Energy Information Administration (EIA) Indexed Site

The U.S. average retail price for regular gasoline fell to 3.27 a gallon on Monday. That's down 2.9 cents from a week ago, based on the weekly price survey by the U.S. Energy...

398

U.S. gasoline prices continue to increase (short version)  

Annual Energy Outlook 2013 [U.S. Energy Information Administration (EIA)]

The U.S. average retail price for regular gasoline rose to 3.29 a gallon on Monday. That's up 7.4 cents from a week ago, based on the weekly price survey by the U.S. Energy...

399

U.S. gasoline prices continue to decrease (long version)  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

The U.S. average retail price for regular gasoline fell to 3.35 a gallon on Monday. That's down 1.3 cents from a week ago, based on the weekly price survey by the U.S. Energy...

400

U.S. gasoline prices conotinue to increase (long version)  

Gasoline and Diesel Fuel Update (EIA)

The U.S. average retail price for regular gasoline rose to 3.29 a gallon on Monday. That's up 7.4 cents from a week ago, based on the weekly price survey by the U.S. Energy...

Note: This page contains sample records for the topic "ratio turbocharged gasoline" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


401

U.S. gasoline prices continue to decrease (short version)  

Gasoline and Diesel Fuel Update (EIA)

The U.S. average retail price for regular gasoline fell to 2.82 a gallon on Monday. That's down 7.3 cents from a week ago, based on the weekly price survey by the U.S. Energy...

402

U.S. gasoline prices decrease (short version)  

U.S. Energy Information Administration (EIA) Indexed Site

The U.S. average retail price for regular gasoline fell to 3.64 a gallon on Monday. That's down 4.3 cents from a week ago, based on the weekly price survey by the U.S. Energy...

403

U.S. gasoline prices continue to decrease (long version)  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

The U.S. average retail price for regular gasoline fell to 3.27 a gallon on Monday. That's down 2.9 cents from a week ago, based on the weekly price survey by the U.S. Energy...

404

U.S. gasoline prices continue decrease (long version)  

U.S. Energy Information Administration (EIA) Indexed Site

The U.S. average retail price for regular gasoline fell to 3.63 a gallon on Monday. That's down 1.4 cents from a week ago, based on the weekly price survey by the U.S. Energy...

405

U.S. gasoline prices continue decrease (long version)  

Gasoline and Diesel Fuel Update (EIA)

The U.S. average retail price for regular gasoline fell to 3.56 a gallon on Monday. That's down 7.1 cents from a week ago, based on the weekly price survey by the U.S. Energy...

406

U.S. gasoline prices continue to decrease (short version)  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

The U.S. average retail price for regular gasoline fell to 3.35 a gallon on Monday. That's down 1.3 cents from a week ago, based on the weekly price survey by the U.S. Energy...

407

U.S. gasoline prices decrease (short version)  

Gasoline and Diesel Fuel Update (EIA)

The U.S. average retail price for regular gasoline fell to 3.46 a gallon on Monday. That's down 2-tenths of a penny from a week ago, based on the weekly price survey by the U.S....

408

U.S. gasoline prices continue to increase (short version)  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

The U.S. average retail price for regular gasoline fell to 3.55 a gallon on Monday. That's down 1.1 cents from a week ago, based on the weekly price survey by the U.S. Energy...

409

U.S. gasoline prices continue decrease (long version)  

U.S. Energy Information Administration (EIA) Indexed Site

The U.S. average retail price for regular gasoline fell to 3.55 a gallon on Monday. That's down 1.1 cents from a week ago, based on the weekly price survey by the U.S. Energy...

410

U.S. gasoline prices continue to increase (short version)  

Annual Energy Outlook 2013 [U.S. Energy Information Administration (EIA)]

The U.S. average retail price for regular gasoline fell to 3.56 a gallon on Monday. That's down 7.1 cents from a week ago, based on the weekly price survey by the U.S. Energy...

411

U.S. gasoline prices decrease (long version)  

Gasoline and Diesel Fuel Update (EIA)

The U.S. average retail price for regular gasoline fell to 3.64 a gallon on Monday. That's down 4.3 cents from a week ago, based on the weekly price survey by the U.S. Energy...

412

U.S. gasoline prices unchanged (short version)  

Annual Energy Outlook 2013 [U.S. Energy Information Administration (EIA)]

The U.S. average retail price for regular gasoline fell to 3.68 a gallon on Monday. That's down 2.6 cents from a week ago, based on the weekly price survey by the U.S. Energy...

413

U.S. gasoline prices continue to increase (short version)  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

The U.S. average retail price for regular gasoline fell to 3.63 a gallon on Monday. That's down 1.4 cents from a week ago, based on the weekly price survey by the U.S. Energy...

414

U.S. gasoline prices continue to decrease (short version)  

Annual Energy Outlook 2013 [U.S. Energy Information Administration (EIA)]

The U.S. average retail price for regular gasoline fell to 2.78 a gallon on Monday. That's down 4.3 cents from a week ago, based on the weekly price survey by the U.S. Energy...

415

U.S. gasoline prices continue to decrease (short version)  

Gasoline and Diesel Fuel Update (EIA)

The U.S. average retail price for regular gasoline fell to 2.40 a gallon on Monday. That's down 15.1 cents from a week ago, based on the weekly price survey by the U.S. Energy...

416

Conversion of coal to gasoline in one single synthesis loop  

SciTech Connect (OSTI)

The process scheme for the conversion of syngas to gasoline via methanol (MeOH) developed by Mobil consists in essence of two independent synthesis loops, a MeOH and a gasoline loop. The first is a conventional MeOH-plant which produces raw MeOH. The raw MeOH is evaporated into a second synthesis loop, the methanol to gasoline (MTG) synthesis. This scheme is already in commercial operation in New Zealand. The syngas is produced by steam reforming of natural gas. A further development of this technology based on integration of the two syntheses is demonstrated in the Topsoe-Integrated-Gasoline-Synthesis, TIGAS. The main difference between the two schemes is that in the TIGAS process, the two loops, the MeOH synthesis and the Mobil MTG-process, are integrated into one single synthesis loop without isolation of MeOH as an intermediate. This results in a simple flow scheme and, hence, in substantial savings in investments and energy consumption.

Topp-Jorgensen, J.; Rostrup-Nielsen, J.R.

1986-01-01T23:59:59.000Z

417

Table 35. Refiner Motor Gasoline Prices by Grade, Sales Type...  

Gasoline and Diesel Fuel Update (EIA)

W W 78.6 W 85.7 81.8 W 69.3 73.8 See footnotes at end of table. 35. Refiner Motor Gasoline Prices by Grade, Sales Type, PAD District and State 176 Energy Information...

418

Table 35. Refiner Motor Gasoline Prices by Grade, Sales Type...  

Gasoline and Diesel Fuel Update (EIA)

W 70.5 78.9 W 76.0 83.6 W 69.2 75.2 See footnotes at end of table. 35. Refiner Motor Gasoline Prices by Grade, Sales Type, PAD District and State 176 Energy Information...

419

A comparative study of laser ignition and spark ignition with gasoline–air mixtures  

Science Journals Connector (OSTI)

Abstract The ignition probability and minimum ignition energy (MIE) of premixed gasoline–air mixture for different equivalence ratio was experimentally studied using a nanosecond pulse at 532 nm and 1064 nm from a Q-switched Nd:YAG laser in a constant-volume combustion chamber (CVCC) The result was compared with the spark ignition. The initial pressure and temperature of the mixture was 0.1 MP and 363 K, respectively. The research indicates that within the flammable range, the probability increases when the ignition energy increases and the distribution of MIE with the equivalence ratios is U-shape for both laser and spark ignition. For laser ignition with 532 nm, when the incident energy is higher than 110 mJ or the absorbed energy is high than 31 mJ, 100% of ignition could be obtained within equivalence ratios of 0.8–1.6. For 1064 nm it is 235 mJ and 30 mJ. To get the same ignition probability of mixture with identical equivalence ratio, the incident energy of 1064 nm is twice more than the incident energy of 532 nm, while the absorbed energy values are virtually the same. It indicates that significant wavelength dependence is expected for the initial free electrons but irrelevant for the process of absorbing energy. The initial free electrons are produced from impurities in gasoline–air mixture because the intensity in the focus (1012 W/cm2) is too low to ionize gas molecules via the multi-photon ionization process, which requires higher irradiance (?1014 W/cm2). The MIE obtained with a laser-spark ignition is greater than that measured by electrical sparks. The MIE for laser ignition was obtained at equivalence ratio of 1.0 both of 532 nm and 1064 nm, and it was 13.5 mJ and 9.5 mJ, respectively. But for spark ignition, the MIE is 3.76 mJ with equivalence ratio of 1.6. What?s more, laser ignition extends the lean flammability limit from 0.8 to 0.6.

Cangsu Xu; Donghua Fang; Qiyuan Luo; Jian Ma; Yang Xie

2014-01-01T23:59:59.000Z

420

Techno-economic Analysis for the Conversion of Lignocellulosic Biomass to Gasoline via the Methanol-to-Gasoline (MTG) Process  

SciTech Connect (OSTI)

Biomass is a renewable energy resource that can be converted into liquid fuel suitable for transportation applications. As a widely available biomass form, lignocellulosic biomass can have a major impact on domestic transportation fuel supplies and thus help meet the Energy Independence and Security Act renewable energy goals (U.S. Congress 2007). With gasification technology, biomass can be converted to gasoline via methanol synthesis and methanol-to-gasoline (MTG) technologies. Producing a gasoline product that is infrastructure ready has much potential. Although the MTG technology has been commercially demonstrated with natural gas conversion, combining MTG with biomass gasification has not been shown. Therefore, a techno-economic evaluation for a biomass MTG process based on currently available technology was developed to provide information about benefits and risks of this technology. The economic assumptions used in this report are consistent with previous U.S. Department of Energy Office of Biomass Programs techno-economic assessments. The feedstock is assumed to be wood chips at 2000 metric ton/day (dry basis). Two kinds of gasification technologies were evaluated: an indirectly-heated gasifier and a directly-heated oxygen-blown gasifier. The gasoline selling prices (2008 USD) excluding taxes were estimated to be $3.20/gallon and $3.68/gallon for indirectly-heated gasified and directly-heated. This suggests that a process based on existing technology is economic only when crude prices are above $100/bbl. However, improvements in syngas cleanup combined with consolidated gasoline synthesis can potentially reduce the capital cost. In addition, improved synthesis catalysts and reactor design may allow increased yield.

Jones, Susanne B.; Zhu, Yunhua

2009-05-01T23:59:59.000Z

Note: This page contains sample records for the topic "ratio turbocharged gasoline" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


421

Estimation of exhaust gas aerodynamic force on the variable geometry turbocharger actuator: 1D flow model approach  

Science Journals Connector (OSTI)

Abstract This paper provides a reliable tool for simulating the effects of exhaust gas flow through the variable turbine geometry section of a variable geometry turbocharger (VGT), on flow control mechanism. The main objective is to estimate the resistive aerodynamic force exerted by the flow upon the variable geometry vanes and the controlling actuator, in order to improve the control of vane angles. To achieve this, a 1D model of the exhaust flow is developed using Navier–Stokes equations. As the flow characteristics depend upon the volute geometry, impeller blade force and the existing viscous friction, the related source terms (losses) are also included in the model. In order to guarantee stability, an implicit numerical solver has been developed for the resolution of the Navier–Stokes problem. The resulting simulation tool has been validated through comparison with experimentally obtained values of turbine inlet pressure and the aerodynamic force as measured at the actuator shaft. The simulator shows good compliance with experimental results.

Fayez Shakil Ahmed; Salah Laghrouche; Adeel Mehmood; Mohammed El Bagdouri

2014-01-01T23:59:59.000Z

422

Vehicle Technologies Office: Fact #675: May 16, 2011 Gasoline Prices by  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

5: May 16, 2011 5: May 16, 2011 Gasoline Prices by Region, May 2, 2011 to someone by E-mail Share Vehicle Technologies Office: Fact #675: May 16, 2011 Gasoline Prices by Region, May 2, 2011 on Facebook Tweet about Vehicle Technologies Office: Fact #675: May 16, 2011 Gasoline Prices by Region, May 2, 2011 on Twitter Bookmark Vehicle Technologies Office: Fact #675: May 16, 2011 Gasoline Prices by Region, May 2, 2011 on Google Bookmark Vehicle Technologies Office: Fact #675: May 16, 2011 Gasoline Prices by Region, May 2, 2011 on Delicious Rank Vehicle Technologies Office: Fact #675: May 16, 2011 Gasoline Prices by Region, May 2, 2011 on Digg Find More places to share Vehicle Technologies Office: Fact #675: May 16, 2011 Gasoline Prices by Region, May 2, 2011 on AddThis.com...

423

Turn of the century refueling: A review of innovations in early gasoline refueling methods and analogies for hydrogen  

E-Print Network [OSTI]

methods all preceded dedicated gasoline service stations, and each can be compared to onsite hydrogen production

Melaina, Marc W

2007-01-01T23:59:59.000Z

424

Fact #858 February 2, 2015 Retail Gasoline Prices in 2014 Experienced the Largest Decline since 2008 – Dataset  

Broader source: Energy.gov [DOE]

Excel file with dataset for Retail Gasoline Prices in 2014 Experienced the Largest Decline since 2008

425

Experimental and Theoretical Investigation of the Effects of Gasoline Blends on Single-Cylinder Diesel Engine Performance and Exhaust Emissions  

Science Journals Connector (OSTI)

Experiments presented in this study for gasoline blends and experiments of Bilgin et al. for ethanol blends have been performed in a single-cylinder diesel engine at Karadeniz Technical University, Engineering Faculty, Mechanical Engineering Department, Internal Combustion Engines Laboratory. ... However, to determine the most favorable blend ratio for any vehicle diesel engine, to achieve general results, and to give general recommendations, more systematic experimental and theoretical studies for actual vehicle diesel engines must be performed. ... Union of Chambers of Turkish Engineers and Architects, Chamber of Mechanical Engineer, 1991; Vol. 383, pp 18? 29 (in Turkish). ...

Z. ?ahin

2008-08-16T23:59:59.000Z

426

Motor Gasoline Market Spring 2007 and Implications for Spring 2008  

Gasoline and Diesel Fuel Update (EIA)

Motor Gasoline Market Spring 2007 Motor Gasoline Market Spring 2007 and Implications for Spring 2008 April 2008 Energy Information Administration Office of Oil and Gas U.S. Department of Energy Washington, DC 20585 This report was prepared by the Energy Information Administration, the independent statistical and analytical agency within the U.S. Department of Energy. The information contained herein should be attributed to the Energy Information Administration and should not be construed as advocating or reflecting any policy position of the U.S. Department of Energy or any other organization. Service Reports are prepared by the Energy Information Administration upon special request and are based on assumptions specified by the requestor. Preface and Contacts

427

Inquiry into August 2003 Gasoline Price Spike Â… Revised Outline  

Gasoline and Diesel Fuel Update (EIA)

Inquiry into August 2003 Gasoline Price Spike Inquiry into August 2003 Gasoline Price Spike November 2003 Office of Oil and Gas Energy Information Administration U.S. Department of Energy Washington, DC 20585 This report was prepared by the Energy Information Administration, the independent statistical and analytical agency within the Department of Energy. The information contained herein should not be construed as advocating or reflecting any policy position of the Department of Energy or of any other organization. Contacts and Acknowledgments This report was prepared by the Office of Oil and Gas of the Energy Information Administration (EIA) under the direction of John Cook, Director, Petroleum Division. Questions concerning the report may be directed to Joanne Shore (202/586-4677),

428

Assessment of California reformulated gasoline impact on vehicle fuel economy  

SciTech Connect (OSTI)

Fuel economy data contained in the 1996 California Air Resources Board (CAROB) report with respect to the introduction of California Reformulated Gasoline (CaRFG) has been examined and reanalyzed by two additional statistical methodologies. Additional data has also been analyzed by these two statistical approaches. Within the assumptions of the analysis, point estimates for the reduction in fuel economy using CaRFG as compared to conventional, non-reformulated gasoline were 2-4 %, with a 95% upper confidence bound of 6 %. Substantial variations in fuel economy are routine and inevitable due to additional factors which affect mileage, even if there is no change in fuel reformulation. This additional analysis confirms the conclusion reached by CAROB with respect to the impact of CaRFG on fuel economy.

Aceves, S.; Glaser, R.; Richardson, J.

1997-01-01T23:59:59.000Z

429

Assessment of California reformulated gasoline impact on vehicle fuel economy  

SciTech Connect (OSTI)

Fuel economy data contained in the 1996 California Air Resources Board (CARB) report with respect to the introduction of California Reformulated Gasoline (CaRFG) has been examined and reanalyzed by two additional statistical methodologies. Additional data has also been analyzed by these two statistical approaches. Within the assumptions of the analysis, point estimates for the reduction in fuel economy using CaRFG as compared to conventional, non-reformulated gasoline were 2-4%, with a 95% upper confidence bound of 6%. Substantial variations in fuel economy are routine and inevitable due to additional factors which affect mileage, even if there is no change in fuel reformulation. This additional analysis confirms the conclusion reached by CARB with respect to the impact of CaRFG on fuel economy.

Aceves, S., LLNL

1997-01-01T23:59:59.000Z

430

Chemical kinetic modeling of component mixtures relevant to gasoline  

SciTech Connect (OSTI)

Real fuels are complex mixtures of thousands of hydrocarbon compounds including linear and branched paraffins, naphthenes, olefins and aromatics. It is generally agreed that their behavior can be effectively reproduced by simpler fuel surrogates containing a limited number of components. In this work, a recently revised version of the kinetic model by the authors is used to analyze the combustion behavior of several components relevant to gasoline surrogate formulation. Particular attention is devoted to linear and branched saturated hydrocarbons (PRF mixtures), olefins (1-hexene) and aromatics (toluene). Model predictions for pure components, binary mixtures and multi-component gasoline surrogates are compared with recent experimental information collected in rapid compression machine, shock tube and jet stirred reactors covering a wide range of conditions pertinent to internal combustion engines. Simulation results are discussed focusing attention on the mixing effects of the fuel components.

Mehl, M; Curran, H J; Pitz, W J; Westbrook, C K

2009-02-13T23:59:59.000Z

431

Coal to methanol to gasoline by the hydrocarb process  

SciTech Connect (OSTI)

The HYDROCARB Process converts coal or any other carbonaceous material to a clean carbon fuel and co-product gas or liquid fuel. By directing the co-product to liquid methanol, it becomes possible to produce methanol at costs as low as $0.13 to $0.14/gal as shown in Table 1 for a Western Lignite and Table 2 for an Eastern Bituminous coal. In the case of Western lignite, it is assumed that the carbon black fuel product can be sold at $3.00/MMBtu ($18/Bbl FOE) and for the Eastern coal at $2.50/MMBtu ($15/Bbl FOE). A methanol market is expected to develop due to the need for an automotive fuel with reduced pollutant emissions. However, should the methanol market not materialize as expected, then methanol can be readily converted to conventional gasoline by the addition of an MTG, methanol to gasoline process step. 1 fig., 3 tabs.

Steinberg, M.

1989-08-01T23:59:59.000Z

432

NGL recovery being hiked by natural-gasoline recirculation  

SciTech Connect (OSTI)

Construction will be completed later this year at two compression plants operated by Lagoven, S.A., to install natural-gasoline recirculation to improve NGL recovery. The project is the result of a study of condensate-stream recirculation and absorber operations at the compression plants Tia Juana 2 (PCTJ-2) and Tia Juana 3 (PCTJ-3), offshore Lake Maracaibo in western Venezuela. The PCTJ-2 and PCTJ-3 gas compression plants have two systems: gas compression and NGL extraction. Previous analysis of the NGL extraction and fractionation processes of Lagoven determined that there are two practical and attractive alternatives for the recirculation of the condensate streams in PCTJ-2 and 3: recirculation of natural gasoline from the Ule LPG plant; recirculation of a conditioned condensate from the de-ethanizer tower of each plant. Both alternatives are discussed. Also described are fractionation capacity, and modifications for adding absorption and fractionation.

Rivas M, M.; Bracho, J.L. [Lagoven S.A., Maracaibo (Venezuela); Murray, J.E. [Murray (James E.), Corpus Christi, TX (United States)

1997-07-07T23:59:59.000Z

433

Experimental Study on Gasoline Reforming Assisted by Nonthermal Arc Discharge  

Science Journals Connector (OSTI)

The gasoline conversion efficiency decreased when the electric discharge regime was changing from continuous to gliding arc and from gliding to streamer. ... Compared with catalytic reformers, plasma devices have so far lower performances, which is explained by the early stage of research on nonthermal plasma reforming and the need of an external energy input (electricity). ... and design of the plasma reactor, composed of two gliding arc discharges in series, were detailed. ...

Jean-Damien Rollier; José Gonzalez-Aguilar; Guillaume Petitpas; Adeline Darmon; Laurent Fulcheri; Rudolf Metkemeijer

2007-12-06T23:59:59.000Z

434

Gasoline and Diesel Fuel Update - Energy Information Administration  

U.S. Energy Information Administration (EIA) Indexed Site

all petroleum reports all petroleum reports Gasoline and Diesel Fuel Update Gasoline Release Date: December 16, 2013 | Next Release Date: December 23, 2013 Diesel Fuel Release Date: December 16, 2013 | Next Release Date: December 23, 2013 U.S. Regular Gasoline Prices* (dollars per gallon)full history Change from 12/02/13 12/09/13 12/16/13 week ago year ago U.S. 3.272 3.269 3.239 values are down -0.030 values are down -0.015 East Coast (PADD1) 3.389 3.382 3.373 values are down -0.009 values are up 0.023 New England (PADD1A) 3.475 3.494 3.508 values are up 0.014 values are up 0.015 Central Atlantic (PADD1B) 3.441 3.447 3.457 values are up 0.010 values are down -0.029 Lower Atlantic (PADD1C) 3.325 3.300 3.270 values are down -0.030 values are up 0.063

435

Knock limitations of methane-air mixtures in a turbocharged dual-fuel engine  

SciTech Connect (OSTI)

Knock limitations are investigated using natural gas, with diesel pilot ignition, as a fuel for the 3406 DI-TA Caterpillar diesel engine. Thermodynamic properties at TDC are generated by computer and compared with experimental results. Exhaust emissions are analyzed. A comparison is made of dual-fuel operation relative to diesel. Observations are made to determine the onset of knock. The onset of knock is characterized as a function of engine speed, load, inlet manifold temperature, and air-fuel ratio (A/F). The conditions at the inset of knock are determined using cylinder pressure data. The most efficient operating range is determined with knock avoidance as a prime parameter.

Song, Y.K.; Acker, G.H.; Schaetzle, W.J.; Brett, C.E.

1987-01-01T23:59:59.000Z

436

Vehicle Technologies Office: Fact #316: April 19, 2004 U.S. Gasoline and  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

6: April 19, 6: April 19, 2004 U.S. Gasoline and Crude Oil Prices, January 1998-February 2004 to someone by E-mail Share Vehicle Technologies Office: Fact #316: April 19, 2004 U.S. Gasoline and Crude Oil Prices, January 1998-February 2004 on Facebook Tweet about Vehicle Technologies Office: Fact #316: April 19, 2004 U.S. Gasoline and Crude Oil Prices, January 1998-February 2004 on Twitter Bookmark Vehicle Technologies Office: Fact #316: April 19, 2004 U.S. Gasoline and Crude Oil Prices, January 1998-February 2004 on Google Bookmark Vehicle Technologies Office: Fact #316: April 19, 2004 U.S. Gasoline and Crude Oil Prices, January 1998-February 2004 on Delicious Rank Vehicle Technologies Office: Fact #316: April 19, 2004 U.S. Gasoline and Crude Oil Prices, January 1998-February 2004 on Digg

437

Vehicle Technologies Office: Fact #123: April 10, 2000 U.S. Gasoline and  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

3: April 10, 3: April 10, 2000 U.S. Gasoline and Oil Prices: January 1998 - March 2000 to someone by E-mail Share Vehicle Technologies Office: Fact #123: April 10, 2000 U.S. Gasoline and Oil Prices: January 1998 - March 2000 on Facebook Tweet about Vehicle Technologies Office: Fact #123: April 10, 2000 U.S. Gasoline and Oil Prices: January 1998 - March 2000 on Twitter Bookmark Vehicle Technologies Office: Fact #123: April 10, 2000 U.S. Gasoline and Oil Prices: January 1998 - March 2000 on Google Bookmark Vehicle Technologies Office: Fact #123: April 10, 2000 U.S. Gasoline and Oil Prices: January 1998 - March 2000 on Delicious Rank Vehicle Technologies Office: Fact #123: April 10, 2000 U.S. Gasoline and Oil Prices: January 1998 - March 2000 on Digg Find More places to share Vehicle Technologies Office: Fact #123:

438

Vehicle Technologies Office: Fact #425: May 22, 2006 The Price of Gasoline  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

5: May 22, 2006 5: May 22, 2006 The Price of Gasoline and Vehicle Travel: How Do They Relate? to someone by E-mail Share Vehicle Technologies Office: Fact #425: May 22, 2006 The Price of Gasoline and Vehicle Travel: How Do They Relate? on Facebook Tweet about Vehicle Technologies Office: Fact #425: May 22, 2006 The Price of Gasoline and Vehicle Travel: How Do They Relate? on Twitter Bookmark Vehicle Technologies Office: Fact #425: May 22, 2006 The Price of Gasoline and Vehicle Travel: How Do They Relate? on Google Bookmark Vehicle Technologies Office: Fact #425: May 22, 2006 The Price of Gasoline and Vehicle Travel: How Do They Relate? on Delicious Rank Vehicle Technologies Office: Fact #425: May 22, 2006 The Price of Gasoline and Vehicle Travel: How Do They Relate? on Digg

439

A new blending agent and its effects on methanol-gasoline fuels  

SciTech Connect (OSTI)

The major difficulty encountered with the use of methanol-gasoline blends as SI engine fuel is their tendency to phase separation due to the hydrophilic properties of methanol. Phase separation can lead to some utilization problems. Using a blending agent for the methanol-gasoline system is the common approach taken towards solving the phase separation problem. In this study introduces fraction of molasses fuel oil as an effective new blending agent for methanol-gasoline fuel.

Karaosmanoglu, F.; Isigiguer-Erguedenler, A.; Aksoy, H.A.

2000-04-01T23:59:59.000Z

440

Fractional distillation of natural gasoline by means of a modified Podbielniak apparatus  

E-Print Network [OSTI]

in4ebte4 to the Humble Oil an4 Hefiaing Company for supplying hia with the samples of stabiline4 natural gasolines whish were analgas4 Isbre410t iea ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ 1 I. Deeeriytiaa ot Apyazebue . II. Proeedere . 1T... pxeotionation of a 84. 2 Roid Vapor Pxoeeuro Watuxal Gasoline, Coiuan Uheoaled ~ . ~ . ~ ~ . ~ . . ~ ~ . 50 VII. Data Obtained in tho prost%enation of a 84. 1 Eei4 Vapor Pressure Natural Gasoline, Caiman Cooled . . . . . . . . . 51 VXII Data Obtained...

Toombs, Alfred John Lawrence

2012-06-07T23:59:59.000Z

Note: This page contains sample records for the topic "ratio turbocharged gasoline" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


441

Examining the Short-Run Price Elasticity of Gasoline Demand in the United States.  

E-Print Network [OSTI]

??Estimating the consumer demand response to changes in the price of gasoline has important implications regarding fuel tax policies and environmental concerns. There are reasons… (more)

Brannan, Michael

2012-01-01T23:59:59.000Z

442

The environmental aspects of the evaporation of BTEX from gasoline with and without ethanol  

Science Journals Connector (OSTI)

In this work the vapours from two columns simulating gasoline-contaminated soils (with and without ethanol) were monitored. Standards mixtures of BTEX, containing different ethanol contents were also analysed. The instrumental analysis was performed by Gas Chromatography with a Flame Ionisation Detector. Among BTEX, except benzene, in both columns the evaporation rate increases with time. In the gasoline/ethanol column this effect is higher particularly for the xylenes. Although the benzene concentrations were reduced in both columns, this reduction was less marked in the gasoline/ethanol column. The toluene concentrations were higher in the pure gasoline column.

Franciele Fedrizzi; Jóice Cagliari; Cláudia Echevenguá Teixeira; Alexandra Rodrigues Finotti; Irajá do Nascimento Filho

2013-01-01T23:59:59.000Z

443

Application of Synergistic Technologies to Achieve High Levels of Gasoline Engine Downsizing  

Broader source: Energy.gov [DOE]

Discussed technologies applied in highly downsized efficient gasoline engine concept such as multiple injection, advanced boosting, cooled exhaust gas recirculation, and electrical supercharger

444

Fact #645: October 18, 2010 Price of Diesel Fuel versus Gasoline...  

Broader source: Energy.gov (indexed) [DOE]

gasoline and diesel prices (dollars per gallon) in the European countries: France, Germany, Italy, Spain, and United Kingdom. For more detailed information, see supporting...

445

FedEx Gasoline Hybrid Electric Delivery Truck Evaluation: 6-Month...  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

ignition CO Carbon monoxide DOE U.S. Department of Energy DPF Diesel particulate filter gHEV Gasoline hybrid electric vehicle GVWR Gross vehicle weight rating HP...

446

Higher prices or gasoline lines loom if Iran-Iraq war lasts into spring  

SciTech Connect (OSTI)

Policies for dealing with the gasoline shortage caused by the Iran-Iraq war are predicted. Options for allocations of existing supplies are discussed. (PSB)

Madison, C.

1981-01-17T23:59:59.000Z

447

The Effects of Ethanol/Gasoline Blends on Advanced Combustion Strategies in Internal Combustion Engines.  

E-Print Network [OSTI]

??This dissertation presents the effects of blending ethanol with gasoline on advanced combustion strategies in internal combustion engines. The unique chemical, physical and thermal properties… (more)

Fatouraie, Mohammad

2014-01-01T23:59:59.000Z

448

Table 31. Motor Gasoline Prices by Grade, Sales Type, PAD District...  

Annual Energy Outlook 2013 [U.S. Energy Information Administration (EIA)]

56 Energy Information AdministrationPetroleum Marketing Annual 1999 Table 31. Motor Gasoline Prices by Grade, Sales Type, PAD District, and State (Cents per Gallon Excluding...

449

Table 31. Motor Gasoline Prices by Grade, Sales Type, PAD District...  

Annual Energy Outlook 2013 [U.S. Energy Information Administration (EIA)]

56 Energy Information AdministrationPetroleum Marketing Annual 1998 Table 31. Motor Gasoline Prices by Grade, Sales Type, PAD District, and State (Cents per Gallon Excluding...

450

Table 31. Motor Gasoline Prices by Grade, Sales Type, PAD District...  

Gasoline and Diesel Fuel Update (EIA)

Energy Information Administration Petroleum Marketing Annual 1995 Table 31. Motor Gasoline Prices by Grade, Sales Type, PAD District, and State (Cents per Gallon Excluding...

451

Table A1. Refiner/Reseller Motor Gasoline Prices by Grade, PAD...  

Annual Energy Outlook 2013 [U.S. Energy Information Administration (EIA)]

AdministrationPetroleum Marketing Annual 1999 401 Table A1. RefinerReseller Motor Gasoline Prices by Grade, PAD District and State, 1984-Present (Cents per Gallon Excluding...

452

Production of high-octane gasoline on a semi-industrial catalytic reforming plant  

Science Journals Connector (OSTI)

Experiments have been carried out on the catalytic reforming at a pressure of 20 atm of a wide, straight-run gasoline fraction on an experimental industrial plant.

A. P. Fedorov; G. N. Maslyanskii…

1967-01-01T23:59:59.000Z

453

Advanced Membrane Systems: Recovering Wasteful and Hazardous Fuel Vapors at the Gasoline Tank  

Broader source: Energy.gov (indexed) [DOE]

CMS to develop a membrane CMS to develop a membrane vapor processor that recovers fuel vapors from gasoline refueling with 99 percent efficiency. This membrane system enables gasoline stations to surpass environmental regulations while reducing fuel losses. Compact Membrane Systems, Inc. (CMS) was founded in 1993 in Wilmington, DE, with the acquisition of rights to certain DuPont polymer membrane patents. CMS focuses

454

Fact #741: August 20, 2012 Historical Gasoline Prices, 1929-2011  

Broader source: Energy.gov [DOE]

When adjusted for inflation, the average annual price of gasoline in 2011 was $1.24 above the price of gasoline in 1929. The effect of the U.S. embargo of oil from Iran can be seen in the early...

455

U.S. gasoline price falls below $2.90 (long version)  

Gasoline and Diesel Fuel Update (EIA)

7, 2014 U.S. gasoline price falls below 2.90 (long version) The U.S. average retail price for regular gasoline fell to 2.89 a gallon on Monday. That's down 4.7 cents from a week...

456

U.S. gasoline price decreases for 17th week in a row (long version...  

U.S. Energy Information Administration (EIA) Indexed Site

26, 2015 U.S. gasoline price decreases for 17th week in a row (long version) The U.S. average retail price for regular gasoline fell for the 17th week in a row to 2.04 a gallon on...

457

Developing an accelerated aging system for gasoline particulate filters and an evaluation test for effects on engine performance  

E-Print Network [OSTI]

Stringent regulations worldwide will limit the level of particulate matter (PM) emitted from gasoline engines equipped with direct fuel injection. Gasoline particulate filters (GPFs) present one strategy for meeting PM ...

Jorgensen, James E. (James Eastman)

2014-01-01T23:59:59.000Z

458

The Analysis of Hydrocarbon Products Obtained From Methanol Conversion to Gasoline Using Open Tubular GC Columns and Selective Olefin Absorption  

Science Journals Connector (OSTI)

......SCOT column. Run conditions are...Table I. GC Run Conditions for Methanol Derived Gasolines Carrier Gas...minor amounts of straight-chain isomers...dependent upon process run conditions. These...methanol derived gasolines were similar in......

M.G. Bloch; R.B. Callen; J.H. Stockinger

1977-11-01T23:59:59.000Z

459

Conversion of the straight-run gasoline fraction of high-paraffin oil on a zeolite catalyst  

Science Journals Connector (OSTI)

The conversion of the straight-run gasoline fraction of high-paraffin crude oil into the high-octane gasoline over niobium-zirconium-aluminosilicate catalyst with the ... composition, and performance characterist...

A. V. Vosmerikov; B. Ulzii; Ya. E. Barbashin; L. L. Korobitsina…

2011-03-01T23:59:59.000Z

460

Maximizing Potential of Diesel and Gasoline for a Cleaner, More Efficient  

Broader source: Energy.gov (indexed) [DOE]

Maximizing Potential of Diesel and Gasoline for a Cleaner, More Maximizing Potential of Diesel and Gasoline for a Cleaner, More Efficient Engine Maximizing Potential of Diesel and Gasoline for a Cleaner, More Efficient Engine September 27, 2011 - 3:52pm Addthis A team of researchers and engineers at Argonne National Laboratory, led by Steve Ciatti, pictured above, is looking at the possibility of using gasoline to power diesel engines, thereby increasing overall efficiency and reducing pollution. | Image courtesy of ANL A team of researchers and engineers at Argonne National Laboratory, led by Steve Ciatti, pictured above, is looking at the possibility of using gasoline to power diesel engines, thereby increasing overall efficiency and reducing pollution. | Image courtesy of ANL Bryan Wheeler Intern, Office of Science

Note: This page contains sample records for the topic "ratio turbocharged gasoline" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


461

Maximizing Potential of Diesel and Gasoline for a Cleaner, More Efficient  

Broader source: Energy.gov (indexed) [DOE]

Maximizing Potential of Diesel and Gasoline for a Cleaner, More Maximizing Potential of Diesel and Gasoline for a Cleaner, More Efficient Engine Maximizing Potential of Diesel and Gasoline for a Cleaner, More Efficient Engine September 27, 2011 - 3:52pm Addthis A team of researchers and engineers at Argonne National Laboratory, led by Steve Ciatti, pictured above, is looking at the possibility of using gasoline to power diesel engines, thereby increasing overall efficiency and reducing pollution. | Image courtesy of ANL A team of researchers and engineers at Argonne National Laboratory, led by Steve Ciatti, pictured above, is looking at the possibility of using gasoline to power diesel engines, thereby increasing overall efficiency and reducing pollution. | Image courtesy of ANL Bryan Wheeler Intern, Office of Science

462

Fact #834: August 18, 2014 About Two-Thirds of Transportation Energy Use is Gasoline for Light Vehicles – Dataset  

Broader source: Energy.gov [DOE]

Excel file with dataset for Fact #834: About Two-Thirds of Transportation Energy Use is Gasoline for Light Vehicles

463

Speciation of Nitrogen Compounds in Gasoline and Diesel Range Process Streams by Capillary Column Gas Chromatography with Chemiluminescence Detection  

Science Journals Connector (OSTI)

......Compounds in Gasoline and Diesel Range Process Streams...compounds in gasoline and diesel range process streams...compounds. Gasoline and diesel range streams containing...qualitative analyses of light cycle oil and crude oil (12...HP-5890 series II) and the general location of each flow-related......

Birbal Chawla

1997-03-01T23:59:59.000Z

464

NATCOR -Xpress case study Margaret Oil produces three products: gasoline, jet fuel, and heating oil. The average  

E-Print Network [OSTI]

NATCOR - Xpress case study Margaret Oil produces three products: gasoline, jet fuel, and heating oil. The average octane levels must be at least 8.5 for gasoline, 7 for jet fuel, and 4.5 for heating to produce gasoline or jet fuel. Distilled oil can be used to produce all three products. The octane level

Hall, Julian

465

Quantitative in-cylinder NO-LIF imaging in a realistic gasoline engine with spray-guided direct injection  

E-Print Network [OSTI]

Quantitative in-cylinder NO-LIF imaging in a realistic gasoline engine with spray-guided direct of engines with gasoline direct injection. Exhaust gas aftertreatment requires storage catalysts fractions in a gasoline engine with spray-guided direct injection using laser-induced fluorescence (LIF

Lee, Tonghun

466

NATCOR -Xpress case study (advanced) Margaret Oil produces three products: gasoline, jet fuel, and heating oil. The average  

E-Print Network [OSTI]

NATCOR - Xpress case study (advanced) Margaret Oil produces three products: gasoline, jet fuel, and heating oil. The average octane levels must be at least 8.5 for gasoline, 7 for jet fuel, and 4. Distilled naphtha can be used only to produce gasoline or jet fuel. Distilled oil can be used to produce

Hall, Julian

467

Farm Fuel Safety Accidents in the handling, use and storage of gasoline, gasohol, diesel fuel, LP-gas and  

E-Print Network [OSTI]

112 Farm Fuel Safety Accidents in the handling, use and storage of gasoline, gasohol, diesel fuel and by keeping fuel storage facilities in top condition. Flammable Liquids and Gases Gasoline, diesel fuel, LP flammability and safety precautions. Do not keep gasoline inside the home or transport it in the trunks

468

Math 115 Excel Group Project 3 Worksheet Price Elasticity of Demand: U.S. Demand for Gasoline  

E-Print Network [OSTI]

Math 115 Excel Group Project 3 Worksheet Price Elasticity of Demand: U.S. Demand for Gasoline 1 for Gasoline 2 4. Consider the two price-demand graphs below. The labels give the x-value. Which graph for Gasoline 3 6. Jewelry This quote is from the article "Americans Snap Up Gold Jewelry as Metal's Price Sinks

Newberger, Florence

469

Combustion Phasing Model for Control of a Gasoline-Ethanol Fueled SI Engine with Variable Valve Timing  

E-Print Network [OSTI]

Combustion Phasing Model for Control of a Gasoline-Ethanol Fueled SI Engine with Variable Valve engine efficiency. Fuel-flexible engines permit the increased use of ethanol-gasoline blends. Ethanol points across the engine operating range for four blends of gasoline and ethanol. I. INTRODUCTION Fuel

470

Comparison of PM emissions from a gasoline direct injected (GDI) vehicle and a port fuel injected (PFI) vehicle measured by electrical low pressure impactor (ELPI) with two fuels: Gasoline and M15 methanol gasoline  

Science Journals Connector (OSTI)

Two Euro 4 gasoline passenger vehicles (one gasoline direct injected vehicle and one port fuel injected vehicle) were tested over the cold start New European Driving Cycle (NEDC). Each vehicle was respectively fueled with gasoline and M15 methanol gasoline. Particle number concentrations were measured by the electrical low pressure impactor (ELPI). Particle masses were measured by gravimetric method and estimated from the number distributions using two density distributions (one is constant with the particle size and one is power law related with the size). The first 7 stages of ELPI were used for estimation. The results show that for each vehicle, PM masses measured by gravimetric method, the total PM numbers measured by ELPI and estimated PM masses for M15 are lower than those for gasoline. For each kind of fuel, PM masses by two methods and total PM numbers from the GDI vehicle are higher than those from the PFI one. PM number distribution curves of the four vehicle/fuel combinations are similar. All decline gradually and the maximum number of each curve occurs in the first stage. More than 99.9% numbers locate in the first 8 stages of which diameters are less than 1 ?m. PM number emissions correlate well with the acceleration of the two vehicles. The estimated particle masses were much lower than the gravimetric measurements.

Bin Liang; Yunshan Ge; Jianwei Tan; Xiukun Han; Liping Gao; Lijun Hao; Wentao Ye; Peipei Dai

2013-01-01T23:59:59.000Z

471

isotopic ratio | EMSL  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

isotopic ratio isotopic ratio Leads No leads are available at this time. Magnesium behavior and structural defects in Mg+ ion implanted silicon carbide. Abstract: As a candidate...

472

Analysis of an extremely fast valve opening camless system to improve transient performance in a turbocharged high speed direct injection diesel engine  

Science Journals Connector (OSTI)

This article describes a theoretical study on the performance optimisation of a high speed direct injection turbocharged diesel engine equipped with an electro-hydraulic variable valve actuation 'camless' system. This system provides extremely fast valve opening and closing slopes. Thus, its potential for recovering part of the energy lost in the valves by reducing gas flow sonic conditions in the valve throat has been investigated. This study has been mainly focused on the analysis of engine performance during a load transient evolution, but the full load steady state attained at the end of the load transient has been also discussed. The results of this investigation have confirmed important improvements in engine performance during the load transient owing to less energy being lost across the valves, which directly results in more energy being available in the turbine. This benefit has also been observed at full load steady state conditions.

J. Benajes; J.R. Serrano; V. Dolz; R. Novella

2009-01-01T23:59:59.000Z

473

,"U.S. Motor Gasoline Prices"  

U.S. Energy Information Administration (EIA) Indexed Site

Prices" Prices" ,"Click worksheet name or tab at bottom for data" ,"Worksheet Name","Description","# Of Series","Frequency","Latest Data for" ,"Data 1","U.S. Motor Gasoline Prices",6,"Monthly","9/2013","1/15/1983" ,"Release Date:","12/2/2013" ,"Next Release Date:","1/2/2014" ,"Excel File Name:","pet_pri_allmg_c_nus_epm0_dpgal_m.xls" ,"Available from Web Page:","http://www.eia.gov/dnav/pet/pet_pri_allmg_c_nus_epm0_dpgal_m.htm" ,"Source:","Energy Information Administration" ,"For Help, Contact:","infoctr@eia.gov" ,,"(202) 586-8800",,,"12/2/2013 2:33:46 AM"

474

Subsurface Gasoline Contamination: An Indoor Air Quality Field Study  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

4 4 Subsurface Gasoline Contamination: An Indoor Air Quality Field Study Schematic of soil-gas and contaminant transport into a slab-on-grade building at a former service station site. Three effects are illustrated that can contribute to reducing the amount of contaminant available for entry into the building: biodegradation by soil microorganisms; a layer of soil that limits diffusive movement of the contaminant; and wind-driven ventilation of the soil below the building. Not illustrated are the effects of ventilation on contaminant concentrations inside the building. The transport of soil-gas-borne contaminants into buildings has been documented as a significant source of human exposure to some pollutants indoors; one example is radon, which has received widespread public

475

Study on impulsive noise radiation from of gasoline direct injector  

Science Journals Connector (OSTI)

A gasoline direct injection (GDI) engine uses its own injectors for high pressure fuel supply to the combustion chamber. High frequency impact sound during the injection process is one of the main contributors to engine combustion noise. This impact noise is generated during opening and closing by an injector rod operated by a solenoid. For design of an injector with reduced noise generation it is necessary to analyze its sound radiation mechanism and propose consequent evaluation method. Spectral and modal characteristics of the injectors were measured through vibration induced by external hammer excitation. The injector modal characteristics were analyzed using a simple beam after analyzing its boundaries by complex transverse and rotational springs. To evaluate impulsive sounds more effectively Prony analysis of sounds was used for verifying influence of injector modal characteristics.

2014-01-01T23:59:59.000Z

476

Liquid-phase oxidation of components of compression process gasoline  

SciTech Connect (OSTI)

This report investigated the oxidation of hydrocarbons of various classes, the principal components of straight-run gasoline, under conditions similar to those used for industrial production of carboxylic acids at the Erevan Petroleum Refinery ''Nairit''. The study was carried out in the temperature range from 155 to 195/sup 0/C at a pressure of 5 MPa on an installation whose scheme was described previously. Normal paraffinic C/sub 5/-C/sub 8/ hydrocarbons, isoparaffinic hydrocarbons such as isopentane and isooctane (2,2,4-trimethylpentane), as well as cyclohexane were subjected to oxidation. The effluent gases were analyzed chromatographically for CO, CO/sub 2/ and hydrocarbon content, the oxidate was analyzed chemically for a total content of acids and chromatographically for its content of formic, acetic, propionic and butyric acids. This study also determined the content of acetone and water (chromatographically) and dicarboxylic acids (chemically).

Dayan, V.M.; Astratsatryan, S.A.; Kushina, I.D.; Pyzh, M.I.; Pazderskii, Y.A.; Bryukhovetskii, V.A.; Levush, S.S.

1982-06-01T23:59:59.000Z

477

Mapping surrogate gasoline compositions into RON/MON space  

SciTech Connect (OSTI)

In this paper, new experimentally determined octane numbers (RON and MON) of blends of a tri-component surrogate consisting of toluene, n-heptane, i-octane (called toluene reference fuel TRF) arranged in an augmented simplex design are used to derive a simple response surface model for the octane number of any arbitrary TRF mixture. The model is second-order in its complexity and is shown to be more accurate to the standard ''linear-by-volume'' (LbV) model which is often used when no other information is available. Such observations are due to the existence of both synergistic and antagonistic blending of the octane numbers between the three components. In particular, antagonistic blending of toluene and iso-octane leads to a maximum in sensitivity that lies on the toluene/iso-octane line. The model equations are inverted so as to map from RON/MON space back into composition space. Enabling one to use two simple formulae to determine, for a given fuel with known RON and MON, the volume fractions of toluene, n-heptane and iso-octane to be blended in order to emulate that fuel. HCCI engine simulations using gasoline with a RON of 98.5 and a MON of 88 were simulated using a TRF fuel, blended according to the derived equations to match the RON and MON. The simulations matched the experimentally obtained pressure profiles well, especially when compared to simulations using only PRF fuels which matched the RON or MON. This suggested that the mapping is accurate and that to emulate a refinery gasoline, it is necessary to match not only the RON but also the MON of the fuel. (author)

Morgan, Neal; Kraft, Markus [Department of Chemical Engineering, University of Cambridge, Cambridge CB2 3RA (United Kingdom); Smallbone, Andrew; Bhave, Amit [Reaction Engineering Solutions Ltd., 61 Canterbury Street, Cambridge CB4 3QG (United Kingdom); Cracknell, Roger; Kalghatgi, Gautam [Shell Global Solutions, Shell Technology Centre Thornton, P.O. Box 1, Chester CH1 3SH (United Kingdom)

2010-06-15T23:59:59.000Z

478

Chemical kinetic modeling of component mixtures relevant to gasoline  

SciTech Connect (OSTI)

Detailed kinetic models of pyrolysis and combustion of hydrocarbon fuels are nowadays widely used in the design of internal combustion engines and these models are effectively applied to help meet the increasingly stringent environmental and energetic standards. In previous studies by the combustion community, such models not only contributed to the understanding of pure component combustion, but also provided a deeper insight into the combustion behavior of complex mixtures. One of the major challenges in this field is now the definition and the development of appropriate surrogate models able to mimic the actual features of real fuels. Real fuels are complex mixtures of thousands of hydrocarbon compounds including linear and branched paraffins, naphthenes, olefins and aromatics. Their behavior can be effectively reproduced by simpler fuel surrogates containing a limited number of components. Aside the most commonly used surrogates containing iso-octane and n-heptane only, the so called Primary Reference Fuels (PRF), new mixtures have recently been suggested to extend the reference components in surrogate mixtures to also include alkenes and aromatics. It is generally agreed that, including representative species for all the main classes of hydrocarbons which can be found in real fuels, it is possible to reproduce very effectively in a wide range of operating conditions not just the auto-ignition propensity of gasoline or Diesel fuels, but also their physical properties and their combustion residuals [1]. In this work, the combustion behavior of several components relevant to gasoline surrogate formulation is computationally examined. The attention is focused on the autoignition of iso-octane, hexene and their mixtures. Some important issues relevant to the experimental and modeling investigation of such fuels are discussed with the help of rapid compression machine data and calculations. Following the model validation, the behavior of mixtures is discussed on the basis of computational results.

Mehl, M; Curran, H J; Pitz, W J; Dooley, S; Westbrook, C K

2008-05-29T23:59:59.000Z

479

Thermodynamic and optical characterizations of a high performance GDI engine operating in homogeneous and stratified charge mixture conditions fueled with gasoline and bio-ethanol  

Science Journals Connector (OSTI)

UltraViolet–visible imaging measurements were carried out in a gasoline direct injection (GDI) engine in order to investigate the spray and combustion evolution of gasoline and pure bio-ethanol fuel. Two different starts of injection, early injection (homogeneous charge) and late injection (stratified charge), were tested in two different engine conditions, 1000 rpm idle and 1500 rpm medium load as representative point of urban new European driving cycle (NEDC). Measurements were performed in the optically accessible combustion chamber made by modifying a real 4-stroke, 4-cylinder, high performance GDI engine. The cylinder head was instrumented by using an endoscopic system coupled to high spatial and temporal resolution cameras in order to allow the visualization of the fuel injection and the combustion process. All the optical data were correlated to the in-cylinder pressure-based indicated analysis and to the gaseous and solid emissions. Wide statistics were performed for all measurements in order to take into account the cycle-to-cycle variability that characterized, in particular, the idle engine condition. Optical imaging showed that gasoline spray was more sensible to air motion and in-cylinder pressure than ethanol’s, for all the investigated conditions. The stratified flame front for both fuels was about 40% faster compared to homogeneous in the first phase, due to the A/F ratio local distribution. It leads to better performance in terms of stability and maximum pressure, even if the late injections produce more soot and UHC emissions due to fuel impingement. Ethanol combustion shows less diffusive flames than gasoline. A lower amount of soot was evaluated by two color pyrometry method in the combustion chamber and measured at the exhaust.

Paolo Sementa; Bianca Maria Vaglieco; Francesco Catapano

2012-01-01T23:59:59.000Z

480

Turbocharging Quantum Tomography.  

SciTech Connect (OSTI)

Quantum tomography is used to characterize quantum operations implemented in quantum information processing (QIP) hardware. Traditionally, state tomography has been used to characterize the quantum state prepared in an initialization procedure, while quantum process tomography is used to characterize dynamical operations on a QIP system. As such, tomography is critical to the development of QIP hardware (since it is necessary both for debugging and validating as-built devices, and its results are used to influence the next generation of devices). But tomography su %7C ers from several critical drawbacks. In this report, we present new research that resolves several of these flaws. We describe a new form of tomography called gate set tomography (GST), which unifies state and process tomography, avoids prior methods critical reliance on precalibrated operations that are not generally available, and can achieve unprecedented accuracies. We report on theory and experimental development of adaptive tomography protocols that achieve far higher fidelity in state reconstruction than non-adaptive methods. Finally, we present a new theoretical and experimental analysis of process tomography on multispin systems, and demonstrate how to more e %7C ectively detect and characterize quantum noise using carefully tailored ensembles of input states.

Blume-Kohout, Robin J; Gamble, John King,; Nielsen, Erik; Maunz, Peter Lukas Wilhelm; Scholten, Travis L.; Rudinger, Kenneth Michael

2015-01-01T23:59:59.000Z

Note: This page contains sample records for the topic "ratio turbocharged gasoline" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


481

Effects of Gasoline Formulation on Methyl tert-Butyl Ether (MTBE) Contamination in Private Wells near Gasoline Stations  

Science Journals Connector (OSTI)

New York State Department of Health, Bureau of Environmental Exposure Investigation, 547 River Street, Room 300, Troy, New York 12180, and New York State Department of Health, Wadsworth Center for Laboratories and Research, P.O. ... Wells with contamination of ?20 ?g/L were scheduled for periodic or follow-up sampling by local county health departments or scheduled for remedial action, as appropriate. ... (13)?Delzer, G. C.; Zogorski, J. S.; Lopes, T. J.; Bosshart, R. L. Occurrence of the gasoline Oxygenate MTBE and BTEX compounds in urban stormwater in the United States, 1991?1995; U.S. Geologic Survey Water-Resources Investigations Report, WRIR 96-4145, Rapid City, SD, 1996. ...

Daniel P. Lince; Lloyd R. Wilson; Gordon A. Carlson; Anthony Bucciferro

2001-02-10T23:59:59.000Z

482

,"U.S. Aviation Gasoline Refiner Sales Volumes"  

U.S. Energy Information Administration (EIA) Indexed Site

Aviation Gasoline Refiner Sales Volumes" Aviation Gasoline Refiner Sales Volumes" ,"Click worksheet name or tab at bottom for data" ,"Worksheet Name","Description","# Of Series","Frequency","Latest Data for" ,"Data 1","U.S. Aviation Gasoline Refiner Sales Volumes",2,"Monthly","9/2013","1/15/1983" ,"Release Date:","12/2/2013" ,"Next Release Date:","1/2/2014" ,"Excel File Name:","pet_cons_refoth_c_nus_eppv_mgalpd_m.xls" ,"Available from Web Page:","http://www.eia.gov/dnav/pet/pet_cons_refoth_c_nus_eppv_mgalpd_m.htm" ,"Source:","Energy Information Administration" ,"For Help, Contact:","infoctr@eia.gov"

483

,"Aviation Gasoline Sales to End Users Refiner Sales Volumes"  

U.S. Energy Information Administration (EIA) Indexed Site

Aviation Gasoline Sales to End Users Refiner Sales Volumes" Aviation Gasoline Sales to End Users Refiner Sales Volumes" ,"Click worksheet name or tab at bottom for data" ,"Worksheet Name","Description","# Of Series","Frequency","Latest Data for" ,"Data 1","Aviation Gasoline Sales to End Users Refiner Sales Volumes",60,"Monthly","9/2013","1/15/1983" ,"Release Date:","12/2/2013" ,"Next Release Date:","1/2/2014" ,"Excel File Name:","pet_cons_refoth_a_eppv_vtr_mgalpd_m.xls" ,"Available from Web Page:","http://www.eia.gov/dnav/pet/pet_cons_refoth_a_eppv_vtr_mgalpd_m.htm" ,"Source:","Energy Information Administration"

484

,"U.S. Sales to End Users, Total Refiner Motor Gasoline Sales Volumes"  

U.S. Energy Information Administration (EIA) Indexed Site

Users, Total Refiner Motor Gasoline Sales Volumes" Users, Total Refiner Motor Gasoline Sales Volumes" ,"Click worksheet name or tab at bottom for data" ,"Worksheet Name","Description","# Of Series","Frequency","Latest Data for" ,"Data 1","Products for Refiner Gasoline Volumes",1,"Monthly","9/2013","1/15/1983" ,"Data 2","by Grade",3,"Monthly","9/2013","1/15/1983" ,"Data 3","by Formulation",3,"Monthly","9/2013","1/15/1994" ,"Release Date:","12/2/2013" ,"Next Release Date:","1/2/2014" ,"Excel File Name:","pet_cons_refmg_d_nus_vtr_mgalpd_m.xls"

485

Gasoline Biodesulfurization DE-FC07-97ID13570 FINAL REPORT  

SciTech Connect (OSTI)

Nine strains were identified to grow with gasoline as sole sulfur source. Two different genes were cloned from Gordonia terrae KGB1 and tested for the ability to support gasoline BDS. The first of these, fmoA, was cloned by screening a KGB1 gene library for the ability to convert indole to indigo (a sulfur-regulated capability in KGB1). The fmoA gene was overexpressed in a gasoline tolerant strain of Pseudomonas putida PpG1 and the recombinant strain was shown to convert thiophene to a dimer of thiophene sulfoxide at rates nearly two orders of magnitude higher than KGB1 could catalyze the reaction. Despite this high activity the recombinant PpG1 was unable to demonstrate any activity against gasoline either in shake flask or in bench-scale gasoline BDS bioreactor. A second gene (toeA) was cloned from KGB1 and shown to support growth of Rhodococcus erythropolis JB55 on gasoline. The toeA gene was also identified in another gasoline strain T. wratislaviensis EMT4, and was identified as a homolog of dszA from R. erythropolis IGTS8. Expression of this gene in JB55 supported conversion of DBTO2 (the natural substrate for DszA) to HPBS, but activity against gasoline was low and BDS results were inconsistent. It appeared that activity was directed against C2- and C3-thiophenes. Efforts to increase gene expression by plasmid manipulation, by addition of flavin reductase genes, or by expression in PpG1 were unsuccessful. The DszC protein (DBT monooxygenase) from IGTS8 has very little activity against the sulfur compounds in gasoline, but a mutant enzyme with a substitution of phenylalanine for valine at position 261 was shown to have an altered substrate range. This alteration resulted in increased activity against gasoline, with activity towards mainly C3- and C4-thiophenes and benzothiophene. A mutant library of dszB was constructed by RACHITT (W. C. Coco et al., DNA shuffling method for generating highly recombined genes and evolved enzymes. 2001. Nature Biotech. 19:354-359) method of in vitro recombination. Methods for analysis were developed and a preliminary analysis of the library was performed. A preliminary gasoline process design was constructed and process economics were determined based upon assumptions made from experimental results. The projected cost of gasoline BDS was determined to be competitive with current competing technologies.

Pienkos, Philip T.

2002-01-15T23:59:59.000Z

486

Areas Participating in the Oxygenated Gasoline Program (Released in the STEO July 1999)  

Reports and Publications (EIA)

Section 211(m) of the Clean Air Act (42 U.S.C. 7401-7671q) requires that gasoline containing at least 2.7% oxygen by weight is to be used in the wintertime in those areas of the county that exceed the carbon monoxide National Ambient Air Quality Standards (NAAQS). The winter oxygenated gasoline program applies to all gasoline sold in the larger of the Consolidated Metropolitan Statistical Area (CMSA) or Metropolitan Statistical Area (MSA) in which the nonattainment area is located.

1999-01-01T23:59:59.000Z

487

,"New York Gasoline and Diesel Retail Prices"  

U.S. Energy Information Administration (EIA) Indexed Site

Gasoline and Diesel Retail Prices" Gasoline and Diesel Retail Prices" ,"Click worksheet name or tab at bottom for data" ,"Worksheet Name","Description","# Of Series","Frequency","Latest Data for" ,"Data 1","New York Gasoline and Diesel Retail Prices",12,"Weekly","12/16/2013","6/5/2000" ,"Release Date:","12/16/2013" ,"Next Release Date:","12/23/2013" ,"Excel File Name:","pet_pri_gnd_dcus_sny_w.xls" ,"Available from Web Page:","http://www.eia.gov/dnav/pet/pet_pri_gnd_dcus_sny_w.htm" ,"Source:","Energy Information Administration" ,"For Help, Contact:","infoctr@eia.gov"

488

,"New York City Gasoline and Diesel Retail Prices"  

U.S. Energy Information Administration (EIA) Indexed Site

City Gasoline and Diesel Retail Prices" City Gasoline and Diesel Retail Prices" ,"Click worksheet name or tab at bottom for data" ,"Worksheet Name","Description","# Of Series","Frequency","Latest Data for" ,"Data 1","New York City Gasoline and Diesel Retail Prices",8,"Weekly","12/16/2013","6/5/2000" ,"Release Date:","12/16/2013" ,"Next Release Date:","12/23/2013" ,"Excel File Name:","pet_pri_gnd_dcus_y35ny_w.xls" ,"Available from Web Page:","http://www.eia.gov/dnav/pet/pet_pri_gnd_dcus_y35ny_w.htm" ,"Source:","Energy Information Administration" ,"For Help, Contact:","infoctr@eia.gov"

489

Fewer Steps to Higher Octane Gasoline in Petroleum Refining | U.S. DOE  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

Fewer Steps to Higher Octane Gasoline in Petroleum Refining Fewer Steps to Higher Octane Gasoline in Petroleum Refining Basic Energy Sciences (BES) BES Home About Research Facilities Science Highlights Benefits of BES Funding Opportunities Basic Energy Sciences Advisory Committee (BESAC) News & Resources Contact Information Basic Energy Sciences U.S. Department of Energy SC-22/Germantown Building 1000 Independence Ave., SW Washington, DC 20585 P: (301) 903-3081 F: (301) 903-6594 E: sc.bes@science.doe.gov More Information » July 2013 Fewer Steps to Higher Octane Gasoline in Petroleum Refining A novel metal-organic framework (MOF) efficiently separates higher octane components from the low value ones, offering great potential for significant cost reduction in gasoline production. Print Text Size: A A A Subscribe FeedbackShare Page

490

What's an Alternative Fuel? Energy Department Proposes Additional Substitute for Gasolin  

Alternative Fuels and Advanced Vehicles Data Center [Office of Energy Efficiency and Renewable Energy (EERE)]

NEWS MEDIA CONTACTS: NEWS MEDIA CONTACTS: FOR IMMEDIATE RELEASE Jayne Brady, 202/586-5806 July 28, 1998 WHAT'S AN ALTERNATIVE FUEL? Energy Department Proposes Additional Substitute for Gasoline The Department of Energy today published a proposed rule to add another new substitute for gasoline, called the "P-series fuels," to the regulatory definition of "alternative fuel." P-series fuels are designed to operate in flexible-fuel vehicles that can run on E85 (85 percent ethanol mixed with 15 percent gasoline), or gasoline, or any blend of the two. Chrysler and Ford have begun to mass-produce flexible-fuel engines as standard equipment for certain vehicle models. Chrysler's most popular minivan equipped with a flexible-fuel engine is on the market today and the Ford Ranger pick-up truck will have such an engine in the 1999 model year. These

491

U.S. Sales to End Users Prices for Motor Gasoline  

U.S. Energy Information Administration (EIA) Indexed Site

Sales Type: Sales to End Users, Average Through Retail Outlets Sales for Resale, Average DTW Rack Bulk Sales Type: Sales to End Users, Average Through Retail Outlets Sales for Resale, Average DTW Rack Bulk Download Series History Download Series History Definitions, Sources & Notes Definitions, Sources & Notes Show Data By: Formulation/ Grade Sales Type Area Apr-13 May-13 Jun-13 Jul-13 Aug-13 Sep-13 View History Gasoline, Average - - - - - - 1983-2013 Regular Gasoline - - - - - - 1983-2013 Midgrade Gasoline - - - - - - 1988-2013 Premium Gasoline - - - - - - 1983-2013 Conventional, Average - - - - - - 1994-2013 Conventional Regular - - - - - - 1994-2013 Conventional Midgrade - - - - - - 1994-2013 Conventional Premium - - - - - - 1994-2013 Oxygenated, Average 1994-2006 Oxygenated Regular

492

U.S. Crude & Gasoline Stocks Low But Showing Signs of Recovering  

Gasoline and Diesel Fuel Update (EIA)

5 5 Notes: The current U.S. inventory levels for crude oil and gasoline stocks are low, but improved modestly in March. While crude oil inventories are still well below normal levels, they have increased about 10 million barrels since the end of January, despite the tight crude oil market. Gasoline stocks at the end of February had dropped about 5% below the low end of the normal range. But during March, they rose slightly, instead of dropping further as they normally would do. This allowed gasoline inventories to re-enter the low end of the normal band. While the inventory situation is improving, it remains low. With crude oil inventories still well below normal, and gasoline inventories on the low side of normal, we have little cushion to absorb unexpected events

493

Average monthly gasoline price to fall to $3.43 by September  

U.S. Energy Information Administration (EIA) Indexed Site

monthly gasoline price to fall to $3.43 by September monthly gasoline price to fall to $3.43 by September The U.S. average monthly retail price of gasoline is expected to decline by about 18 cents per gallon between May and September, according to the new forecast from the U.S. Energy Information Administration. The lower price reflects, in part, slightly lower crude oil prices that account for about two-thirds of the cost at the pump. The largest price drops are expected in the Midwest states as refineries serving that region, which had been down for planned and unplanned maintenance, return to operation. For the year as a whole, the annual average retail gasoline price is forecasted to decline from $3.63 a gallon last year to $3.49 a gallon this year...and then drop to $3.37 per gallon in 2014

494

The reaction kinetics of gasoline sulfur compounds: Catalytic mechanisms for sulfur reduction  

SciTech Connect (OSTI)

One of the key elements of reformulated gasoline is the reduction of the sulfur compounds produced by fluid catalytic cracking. This paper probes the reaction kinetics of refractory gasoline-range thiophene derivatives (thiophene, tetrahydrothiophene, and alkylthiophenes) in an effort to determine the mechanisms of sulfur compound cracking in the FCC unit. The gasoline-range sulfur compounds were analyzed using gas chromatography with an atomic emission detector. The authors` results show that the FCC catalysts affects the cracking of sulfur compounds through both hydrogen transfer and zeolite pore restriction mechanisms. An experimental FCC catalyst is shown to reduce gasoline sulfur content in the Davidson Circulating Riser (DCR{sup TM}) pilot unit. Model compound tests show that the activity of the catalyst is due to both its catalytic and adsorptive properties. Tetrahydrothiophene, which is produced from thiophenes by hydrogen transfer, is completely removed by the experimental catalyst.

Harding, R.H.; Gatte, R.R.; Albro, T.G.; Wormsbecher, R.F. [W.R. Grace & Co. Conn, Columbia, MD (United States)

1993-12-31T23:59:59.000Z

495

The Effect of Gasoline Taxes and Public Transit Investments on Driving Patterns  

Science Journals Connector (OSTI)

This paper analyzes how driving patterns are affected by gasoline taxes and the availability of a substitute for driving—public transportation. We develop a measure of transportation substitutability based on ...

Elisheba Spiller; Heather Stephens…

2014-12-01T23:59:59.000Z

496

Beyond a Billion: Clean Cities Coaliations Have Displaced More Than a Billion Gallons of Gasoline  

SciTech Connect (OSTI)

In 2004, DOE's Clean Cities achieved a milestone - displacing the equivalent of more than 1 billion gallons of gasoline since 1994. This fact sheet describes how Clean Cities achieved this goal.

Not Available

2005-10-01T23:59:59.000Z

497

Competition and price asymmetries in the Greek oil sector: an empirical analysis on gasoline market  

Science Journals Connector (OSTI)

This article attempts to investigate the issue of asymmetries in the transmission of shocks to input prices and exchange rate onto the wholesale and retail price of gasoline respectively. For this purpose, we ...

Michael L. Polemis

2012-10-01T23:59:59.000Z

498

Fact #860 February 16, 2015 Relationship of Vehicle Miles of Travel and the Price of Gasoline  

Broader source: Energy.gov [DOE]

The prices of gasoline and diesel fuel affect the transportation sector in many ways. For example, fuel prices can impact the number of miles driven and affect the choices consumers make when...

499

Determination of Hydrocarbons Types and Oxygenates in Motor Gasoline: A Comparative Study by Different Analytical Techniques  

Science Journals Connector (OSTI)

Various standard and published methods based on chromatographic and spectroscopic techniques are routinely used for hydrocarbon types (aromatics, olefins, oxygenates, etc.) in gasoline range fuel products for the assessment of product quality monitoring (...

V. Bansal; G. J. Krishna; A. P. Singh; A. K. Gupta; A. S. Sarpal

2007-12-04T23:59:59.000Z

500

The Economic Effects of New Jersey's Self-Serve Operations Ban on Retail Gasoline Markets  

Science Journals Connector (OSTI)

This paper tests the effect of the self-service ban on retail gasoline sales using a random sample of gas stations from Mercer County New Jersey. The paper ... reduces the number of pumps and islands. Gas stations

Donald Vandegrift; Joseph A. Bisti

2001-03-01T23:59:59.000Z