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Light Duty Automotive Fuel Economy …Trends through 1981
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English
Abstract
EPA new-model fuel economy figures are presented for passenger vehicles and light duty trucks (those with GVW ratings up to 8500 lbs). The 1981 models are emphasized, with some comparisons to prior years included. Reader familiarity with the EPA tests, data bases, and analytical methods is assumed.
Principal two-way analyses include comparisons of domestic vs. import, gasoline vs. Diesel, and Federal (49-state) vs. California vehicles. Sales fractions for a number of vehicle and engine emission control design features are included.
The principal finding is that increased use of newer vehicle and emission control technologies in 1981 has accompanied significant fuel economy gains in spite of the tougher 1981 emission standards.
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Citation
Foster, J., Murrell, J., and Loos, S., "Light Duty Automotive Fuel Economy …Trends through 1981," SAE Technical Paper 810386, 1981, https://doi.org/10.4271/810386.Also In
References
- Murrell D. “Light Duty Automotive Fuel Economy … Trends Through 1979” SAE Paper 790225 February 1979
- Murrell D. Foster J. Bristor D. “Passenger Car and Light Truck Fuel Economy Trends Through 1980” SAE Paper 800853 June 1980
- DOE U.S. “1981 Gas Mileage Guide, EPA Fuel Economy Estimates” First Edition September 1980
- DOE U.S. “1981 Gas Mileage Guide, EPA Fuel Economy Estimates” First Edition California September 1980
- Personal Communication, U.S. DOT/NHSTA.