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Effects of tire inflation pressure on passenger-car fuel consumption

Conference ·
OSTI ID:6800321
; ;
Measurements of passenger car fuel consumption at different tire inflation pressures were recently conducted. These measurements were obtained from a vehicle operated on a test track using transient driving cycles and over a range of ambient conditions. The observed changes in fuel consumption, 0.33%/psi, should therefore be representative of actual driving conditions. Subsequently, tire inflation data from 2000 vehicles in six cities were analyzed to determine the extent of passenger car tire underinflation. These data sources were then combined to estimate the nationwide excess fuel consumption, about 600 million gal/y, due to tire underinflation.
OSTI ID:
6800321
Report Number(s):
CONF-810206-27
Country of Publication:
United States
Language:
English

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Related Subjects

29 ENERGY PLANNING, POLICY, AND ECONOMY
290700 -- Energy Planning & Policy-- Transport & Storage
32 ENERGY CONSERVATION, CONSUMPTION, AND UTILIZATION
320203 -- Energy Conservation
Consumption
& Utilization-- Transportation-- Land & Roadway
33 ADVANCED PROPULSION SYSTEMS
330600* -- Advanced Propulsion Systems-- Vehicle Design Factors
AUTOMOBILES
DATA
ENERGY CONSERVATION
ENERGY CONSUMPTION
EXPERIMENTAL DATA
FRICTION
FUEL CONSUMPTION
INFORMATION
NORTH AMERICA
NUMERICAL DATA
PRESSURE DEPENDENCE
ROLLING FRICTION
TIRES
USA
VEHICLES