The results of two derivations relating to the fuel economy of hybrid-electric vehicles (vehicles which employ both a heat engine and electric drive system) are presented and their use is illustrated through the examples of the University of Wisconsin and TRW Systems Group hybrid-electric vehicles.The method of mileage estimation employs a specific fuel-consumption versus torque-speed map for the heat engine under study and knowledge of the hybrid-vehicle dynamics and road-load power. The method is easily extended to estimation of emission reductions through use of specific-emission-production versus torque-speed maps and is applicable to hybrid vehicles with other than electrical energy-storage systems.
A Method for Estimating Mileage Improvement and Emission Reductions Achievable by Hybrid-Electric Vehicles
Sae Technical Papers
1975 Automotive Engineering Congress and Exposition ; 1975
1975-02-01
Conference paper
English
RATIONAL METHOD OF DETERMINING MILEAGE OF ELECTRIC VEHICLES
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