1976-02-01

Optimizing Engine and Car Design for Fuel Economy and Emissions 760855

Design factors influencing fuel economy include: engine design and size, drivetrain design, vehicle weight, and body size and shape. Data are presented which illustrate some of the basic interactions which occur among these parameters. Relationships between fuel economy and exhaust emissions are also discussed. It is concluded that emission constraints are important and can limit the effectiveness of some design changes to improve fuel economy.

SAE MOBILUS

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