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On-road diesel vehicle emission factors for nitrogen oxides and black carbon in two Chinese cities
Wang, Xing1; Westerdahl, Dane1; Hu, Jingnan2; Wu, Ye3; Yin, Hang4; Pan, Xiaochuan5; Zhang, K. Max1
关键词Emission factor Diesel Climate change Air pollution Nitrogen oxides Black carbon
刊名ATMOSPHERIC ENVIRONMENT
2012
DOI10.1016/j.atmosenv.2011.10.033
46页:45-55
收录类别SCI
文章类型Article
WOS标题词Science & Technology
类目[WOS]Environmental Sciences ; Meteorology & Atmospheric Sciences
研究领域[WOS]Environmental Sciences & Ecology ; Meteorology & Atmospheric Sciences
关键词[WOS]SOURCE APPORTIONMENT ; PARTICULATE MATTER ; FINE PARTICLES ; AIR-POLLUTION ; PM2.5 ; IMPACTS ; DYNAMOMETER ; GASOLINE ; QUALITY ; TRUCKS
英文摘要

Nitrogen oxides (NOx) and black carbon (BC) emission factors (EF) of 440 on-road diesel trucks were determined by conducting on-road chasing studies in Beijing and Chongqing, China, in the winter 2010. NOx and BC EF distributions are reported. The median NOx EFs for trucks sampled on level roads in Chongqing and Beijing are 40.0 and 47.4 g kg-fuel(-1), respectively. The median BC EFs are 1.1 and 0.4 g kg-fuel(-1)in Chongqing and Beijing, respectively. In addition, a clear downward trend of BC EFs of on-road diesel trucks sampled in Beijing since 2008 is observed. Moreover, Beijing-registered trucks had the lowest BC EFs among the entire sample. These observations appear to reflect the effectiveness of emission standard and fuel quality standard implemented in Beijing (China IV) and nationwide (China III) in reducing BC (and likely overall particulate matter) emission. However, NOx EFs for Beijing-registered trucks did not show lower value than those from other regions. Unlike black carbon, there is no clear correlation between emission controls and NOx emissions from the sampled on-road trucks. Further analysis shows that trucks with high BC EFs do not usually have high NOx EFs, and vice versa, indicating that the current emission standards implemented in Beijing and nationwide have only limited impact on NOx emissions control. Therefore, effective multi-pollutant control strategies and in-use compliance programs are imperative to reduce the overall emissions from the transportation sector. (C) 2011 Elsevier Ltd. All rights reserved.

语种英语
WOS记录号WOS:000298763200006
项目编号EP-C-06-003
资助机构US Environmental Protection Agency (USEPA)
引用统计
被引频次:60[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.bjmu.edu.cn/handle/400002259/64168
专题北京大学公共卫生学院
北京大学公共卫生学院_公共卫生学院
作者单位1.Tsinghua Univ, Sch Environm, Beijing 100084, Peoples R China
2.Cornell Univ, Sibley Sch Mech & Aerosp Engn, Ithaca, NY 14853 USA
3.Chinese Res Inst Environm Sci, Beijing 100012, Peoples R China
4.Minist Environm Protect PR China, Vehicle Emiss Control Ctr, Beijing 100012, Peoples R China
5.Peking Univ, Sch Publ Hlth, Dept Occupat & Environm Hlth, Beijing 100083, Peoples R China
推荐引用方式
GB/T 7714
Wang, Xing,Westerdahl, Dane,Hu, Jingnan,et al. On-road diesel vehicle emission factors for nitrogen oxides and black carbon in two Chinese cities[J]. ATMOSPHERIC ENVIRONMENT,2012,46:45-55.
APA Wang, Xing.,Westerdahl, Dane.,Hu, Jingnan.,Wu, Ye.,Yin, Hang.,...&Zhang, K. Max.(2012).On-road diesel vehicle emission factors for nitrogen oxides and black carbon in two Chinese cities.ATMOSPHERIC ENVIRONMENT,46,45-55.
MLA Wang, Xing,et al."On-road diesel vehicle emission factors for nitrogen oxides and black carbon in two Chinese cities".ATMOSPHERIC ENVIRONMENT 46(2012):45-55.
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