Automotive Fuel Economy

Automotive Fuel Economy

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Annotation Explores the technical, financial, psychological, environmental, and political factors weighing for and against significant improvement in gas mileage for American cars and light trucks. Acidic paper. Annotation c. by Book News, Inc., Portland, Or.Sliding the sheaves of the pulleys together or apart to change their diameters changes the ratio of the rpm of the engine to the ... 5-speed manual transmissions ; that is, about a 3.5 percent gain over 4-speed automatics (thus, 8 percent over a 3-speed automatic). ... 5-speed Manual Transmission Essentially all 4-speed manual transmissions have already been replaced by 5-speed manual transmissions.

Title:Automotive Fuel Economy
Publisher:National Academies - 1992-01-01


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