1981-06-01

Fuel Economy of In-Use Passenger Cars: Laboratory and Road 810780

This report describes an evaluation of fuel economy of in-use passenger cars conducted by the U.S. Environmental Protection Agency during 1980. A total of 440 vehicles from the 1975-1980 model years were obtained from private owners in several cities. Each vehicle was tested according to the Federal Test Procedure and the Highway Fuel Economy Test. After the laboratory testing, the owners were asked to record their next four fuel purchases on a reply postcard. The results from the survey were analyzed and compared with the test results, estimates by the owner, and the values published in EPA's Gas Mileage Guide.

SAE MOBILUS

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