Browse Publications Technical Papers 2001-01-0951
2001-03-05

Evaluating Commercial and Prototype HEVs 2001-01-0951

In recent years, vehicle manufacturers have made great progress in developing and demonstrating commercially available and prototyped hybrid electric vehicles (HEVs). These vehicles include commercially available gasoline hybrid cars (Toyota Prius and Honda Insight) and Partnership for the Next Generation Vehicle (PNGV) diesel hybrid prototypes (Ford Prodigy, GM Precept, and DaimlerChrysler ESX3). In this paper, we discuss tested and claimed fuel benefits and performance of these commercial and prototyped HEVs relative to conventional vehicles (CVs) that are otherwise similar to these HEVs, except for hybridization. We also describe a reverse-engineering approach to de-hybridize or “conventionalize” these five existing commercial and prototyped HEVs. Because these commercial and prototyped HEVs represent a variety of technological choices, configurations, and development stages, this analysis gives us in-depth knowledge about how each of these vehicles achieves high efficiency. An Argonne National Laboratory (ANL) component sizing model (HEVCOST) and a conventional vehicle fuel economy and performance model (Modal Energy and Emissions Model [MEEM]) are used to aid our analysis. To cross check the results, we also run the hybrid simulation model ADVISOR.

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