Effects of gasoline composition on exhaust emissions and driveability
Conference
·
OSTI ID:5664823
A study of the effects of changes in gasoline composition is one area to explore in our effort to reduce tailpipe emissions from vehicles. However, affects on vehicle performances should also be considered from the perspective of practical useage. In this paper, the influence of gasoline composition (aromatics), volatility, and MTBE blending on engine outlet and tailpipe emissions are discussed in particular, focusing on distillation properties which have a close relationship to driveability. Under stable driving conditions and without a catalitic converter, the effects of gasoline volatility is small, while aromatics in gasoline affect exhaust HC and NO{sub x} emissions. MTBE has a leaning effect on the engine intake air/fuel mixture. During a transient driving cycle, a high gasoline 50% distillation temperature causes poor driveability, as a result, HC emissions increase.
- OSTI ID:
- 5664823
- Report Number(s):
- CONF-9010205--
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
33 ADVANCED PROPULSION SYSTEMS
330102* -- Internal Combustion Engines-- Diesel
330701 -- Emission Control-- Nitrogen Oxides
330704 -- Emission Control-- Hydrocarbons
AROMATICS
CATALYTIC CONVERTERS
CHALCOGENIDES
DIESEL ENGINES
DISTILLATION
EMISSION
ENGINES
EQUIPMENT
EXHAUST SYSTEMS
FUELS
GASOLINE
HEAT ENGINES
HYDROCARBONS
INTERNAL COMBUSTION ENGINES
LIQUID FUELS
NITROGEN COMPOUNDS
NITROGEN OXIDES
ORGANIC COMPOUNDS
OXIDES
OXYGEN COMPOUNDS
PERFORMANCE
PETROLEUM PRODUCTS
POLLUTION CONTROL EQUIPMENT
SEPARATION PROCESSES
VEHICLES
330102* -- Internal Combustion Engines-- Diesel
330701 -- Emission Control-- Nitrogen Oxides
330704 -- Emission Control-- Hydrocarbons
AROMATICS
CATALYTIC CONVERTERS
CHALCOGENIDES
DIESEL ENGINES
DISTILLATION
EMISSION
ENGINES
EQUIPMENT
EXHAUST SYSTEMS
FUELS
GASOLINE
HEAT ENGINES
HYDROCARBONS
INTERNAL COMBUSTION ENGINES
LIQUID FUELS
NITROGEN COMPOUNDS
NITROGEN OXIDES
ORGANIC COMPOUNDS
OXIDES
OXYGEN COMPOUNDS
PERFORMANCE
PETROLEUM PRODUCTS
POLLUTION CONTROL EQUIPMENT
SEPARATION PROCESSES
VEHICLES