Primary energy efficiency of alternative powertrains in vehicles

被引:94
作者
Åhman, M [1 ]
机构
[1] Lund Univ, Dept Environm & Energy Syst Studies, SE-22363 Lund, Sweden
关键词
D O I
10.1016/S0360-5442(01)00049-4
中图分类号
O414.1 [热力学];
学科分类号
摘要
This study considers the technical potential concerning the energy efficiency attainable for vehicles with alternative powertrains within 10-20 years. The potential for electric vehicles (BEVs), hybrid electric vehicles (HEVs) and fuel-cell electric vehicles (FCEVs) is assessed and compared with the potential improvement in conventional vehicles with internal combustion engines (ICEVs). Primary energy efficiency is the measure used in this study for comparison. The calculations of primary energy efficiency are based on three different resources: fossil fuels, biomass, and primary electricity from wind, solar or hydropower. This study shows that there is potential for doubling the primary energy efficiency using alternative powertrains in vehicles such as BEVs, HEVs and FCEVs, compared with existing ICEVs. All vehicles with an alternative powertrain have a higher potential for primary energy efficiency than vehicles with an improved conventional powertrain. No "winner" amongst the alternative powertrains could be identified from a primary energy efficiency point of view. (C) 2001 Elsevier Science Ltd. All rights reserved.
引用
收藏
页码:973 / 989
页数:17
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