In regard to manual vs automatic transmission, the same penetration was maintained for each vehicle concept. The rear axle ratio represented a sales - weighted average, as computed by the EPA in the determination of fuel economy for aanbsp;...
|Title||:||Data and analysis for 1981-1984 passenger automobile fuel economy standards|
|Author||:||United States. National Highway Traffic Safety Administration. Energy Research Division, Transportation Systems Center, United States. Office of Automotive Fuel Economy|