globalchange  > 影响、适应和脆弱性
DOI: 10.1088/1748-9326/11/4/044001
论文题名:
Impact of non-petroleum vehicle fuel economy on GHG mitigation potential
作者: Jason M Luk; Bradley A Saville; Heather L MacLean
刊名: Environmental Research Letters
ISSN: 1748-9326
出版年: 2016
发表日期: 2016-03-23
卷: 11, 期:4
语种: 英语
英文摘要:

The fuel economy of gasoline vehicles will increase to meet 2025 corporate average fuel economy standards (CAFE). However, dedicated compressed natural gas (CNG) and battery electric vehicles (BEV) already exceed future CAFE fuel economy targets because only 15% of non-petroleum energy use is accounted for when determining compliance. This study aims to inform stakeholders about the potential impact of CAFE on life cycle greenhouse gas (GHG) emissions, should non-petroleum fuel vehicles displace increasingly fuel efficient petroleum vehicles. The well-to-wheel GHG emissions of a set of hypothetical model year 2025 light-duty vehicles are estimated. A reference gasoline vehicle is designed to meet the 2025 fuel economy target within CAFE, and is compared to a set of dedicated CNG vehicles and BEVs with different fuel economy ratings, but all vehicles meet or exceed the fuel economy target due to the policy's dedicated non-petroleum fuel vehicle incentives. Ownership costs and BEV driving ranges are estimated to provide context, as these can influence automaker and consumer decisions. The results show that CNG vehicles that have lower ownership costs than gasoline vehicles and BEVs with long distance driving ranges can exceed the 2025 CAFE fuel economy target. However, this could lead to lower efficiency CNG vehicles and heavier BEVs that have higher well-to-wheel GHG emissions than gasoline vehicles on a per km basis, even if the non-petroleum energy source is less carbon intensive on an energy equivalent basis. These changes could influence the effectiveness of low carbon fuel standards and are not precluded by the light-duty vehicle GHG emissions standards, which regulate tailpipe but not fuel production emissions.

URL: http://iopscience.iop.org/article/10.1088/1748-9326/11/4/044001
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/13735
Appears in Collections:影响、适应和脆弱性
气候减缓与适应

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作者单位: Department of Civil Engineering, University of Toronto, 35 St. George Street, Toronto, Ontario, M5S 1A4 Canada;Department of Chemical Engineering & Applied Chemistry, University of Toronto, 200 College Street, Toronto, Ontario, M5S 3E5 Canada;Department of Civil Engineering, Department of Chemical Engineering & Applied Chemistry, School of Public Policy and Governance, University of Toronto, 35 St. George Street, Toronto, Ontario, M5S 1A4 Canada

Recommended Citation:
Jason M Luk,Bradley A Saville,Heather L MacLean. Impact of non-petroleum vehicle fuel economy on GHG mitigation potential[J]. Environmental Research Letters,2016-01-01,11(4)
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