Analysis of Data from Electric and Hybrid Vehicle Student Competitions (original) (raw)

1994

Abstract

The US Department of Energy sponsored several student engineering competitions in 1993 that provided useful information on electric and hybrid vehicles. The electrical energy usage from these competitions has been recorded with a custom-built digital motor installed in every vehicle and used under controlled conditions. When combined with other factors, such as vehicle mass, speed, distance traveled, battery type, and the type of components, this information provides useful insight into the performance characteristics of electrics and hybrids. All the vehicles tested were either electric vehicles or hybrid vehicles in electric-only mode, and had an average energy economy of 7.0 km/kwh. Based on the performance of the "ground-up" hybrid electric vehicles in the 1993 Hybrid Electric Vehicle Challenge, data revealed a 1 km/kwh energy economy benefit for every 133 kg decrease in vehicle mass. By running all the electric vehicles at a competition in Atlanta at several different...

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