Environmental Implication of Electric Vehicles in China

被引：156

作者：

Huo, Hong ^{[1
]}

Zhang, Qiang ^{[2
]}

Wang, Michael Q. ^{[3
]}

Streets, David G. ^{[4
]}

He, Kebin ^{[5
]}

机构：

[1] Tsinghua Univ, Inst Energy Environm & Econ, Beijing 100084, Peoples R China

[2] Tsinghua Univ, Ctr Earth Syst Sci, Beijing 100084, Peoples R China

[3] Argonne Natl Lab, Ctr Transportat Res, Argonne, IL 60439 USA

[4] Argonne Natl Lab, Decis & Informat Sci Div, Argonne, IL 60439 USA

[5] Tsinghua Univ, State Key Joint Lab Environm Simulat & Pollut Con, Dept Environm Sci & Engn, Beijing 100084, Peoples R China

来源：

ENVIRONMENTAL SCIENCE & TECHNOLOGY | 2010年 / 44卷 / 13期

基金：

中国国家自然科学基金;

关键词：

POLLUTANT EMISSIONS; AIR-POLLUTION; CO2; EMISSIONS; FUTURE; CONSUMPTION; TRENDS;

D O I：

10.1021/es100520c

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

Today, electric vehicles (EVs) are being proposed in China as one of the potential options to address the dramatically increasing energy demand from on-road transport. However, the mass use of EVs could involve multiple environmental issues, because EVs use electricity that is generated primarily from coal in China. We examined the fuel-cycle CO2, SO2, and NOx emissions of EVs in China in both current (2008) and future (2030) periods and compared them with those of conventional gasoline vehicles and gasoline hybrids. EVs do not promise much benefit in reducing CO2 emissions currently, but greater CO2 reduction could be expected in future if coal combustion technologies improve and the share of nonfossil electricity increases significantly. EVs could increase SO2 emissions by 3-10 times and also double NOx emissions compared to gasoline vehicles if charged using the current electricity grid. In the future, EVs would be able to reach the NOx emission level of gasoline vehicles with advanced emission control devices equipped in thermal power plants but still increase SO2. EVs do represent an effective solution to issues in China such as oil shortage, but critical policy support is urgently needed to address the environmental issues caused by the use of EVs to make EVs competitive with other vehicle alternatives.

引用

页码：4856 / 4861

页数：6

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