Abstract
The U.S. Department of Energy’s Advanced Vehicle Testing Activity tests plug-in hybrid electric vehicles (PHEV) in closed track, dynamometer, and on-road testing environments. The purpose of this testing is to determine the potential of PHEV technology to reduce petroleum consumption. It also allows documentation of PHEV driving and charging profiles and electric charging infrastructure requirements. As of March 2009, the Advanced Vehicle Testing Activity has initiated testing on 12 PHEV models from aftermarket conversion companies and original equipment manufacturers. In addition to performing controlled dynamometer and on-road testing, AVTA has collected in-use data from 155 PHEVs operating in 23 U.S. states and Canadian provinces. This fleet has demonstrated an average increase in cumulative fuel economy of 22 to 55% when in charge depleting mode, as compared to charge sustaining mode. Charge depleting range has varied from 32 to 64 miles, depending on the vehicle and battery pack. In ideal conditions, some vehicles have achieved monthly fuel economy results of 80 to 120 miles per gallon through frequent charging and less aggressive driving styles.
Highlights
The U.S Department of Energy’s (DOE) Advanced Vehicle Testing Activity (AVTA) tests plug-in hybrid electric vehicles (PHEV) in closed track, dynamometer, and on-road environments
The purpose of this paper is to summarize PHEV testing and evaluation to date
Remaining cycles represent charge sustaining (CS) mode performance and demonstrate how cumulative gasoline fuel economy decreases as the distance driven in CS mode increases
Summary
The U.S Department of Energy’s (DOE) Advanced Vehicle Testing Activity (AVTA) tests plug-in hybrid electric vehicles (PHEV) in closed track, dynamometer, and on-road environments. The purpose of this work is to document the petroleum reduction potential of the PHEV concept. This work includes evaluating vehicle energy consumption and efficiency, as well as plug-in charging infrastructure requirements and the impact of plug-in vehicles on the electrical grid. AVTA provides advanced technology vehicle performance benchmark data for technology modelers, research and development programs, and technology goal setters. AVTA testing results assist fleet managers in making informed vehicle purchase, deployment, and operating decisions. AVTA is part of DOE’s Vehicle Technologies Program. AVTA’s light duty PHEV testing activities are conducted by the Idaho National Laboratory and the Electric Transportation Engineering Corporation, with
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