Journal
JOURNAL OF CLEANER PRODUCTION
Volume 285, Issue -, Pages -Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.jclepro.2020.124899
Keywords
Electric vehicle; Carbon dioxide emissions; Air pollutants; Life cycle assessment; China
Categories
Funding
- China's National Key RD Program [2016YFA0602603]
- Beijing Natural Science Foundation [JQ19035]
- National Natural Science Foundation of China [71822401, 71603020, 71521002, 71904180, 71642004]
- Huo Yingdong education fund
- Training and Practice Base for Innovative Energy Talents
- Joint Development Program of Beijing Municipal Commission of Education
- Graduate Technological Innovation Project of Beijing Institute of Technology (NBS) [2018CX20005]
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This study evaluates the emissions from three types of passenger vehicles in China (ICEV, PHEV, and BEV) using the life cycle assessment method, finding that BEV and PHEV reduce CO2, VOCs, and NOX emissions compared to ICEV, but increase PM2.5 and SO2 emissions.
Promoting electric vehicles (EVs) is an important measure to ensure energy security, improve air quality, and mitigate global climate change. However, the emission reduction impacts of EVs in China have been widely debated and the conclusions of existing studies are still controversial. In this study, we adopted the life cycle assessment (LCA) method to evaluate the carbon dioxide (CO2) and air pollutant emissions from the stage of vehicle production, vehicle use and vehicle end-of-life. We further compared the emissions of three types of passenger vehicles in China, including internal combustion engine vehicle (ICEV), plug-in hybrid electric vehicle (PHEV), and battery electric vehicle (BEV). Compared with ICEV, BEV and PHEV were found to reduce the emissions of CO2, VOCs, and NOX, but increase the emissions of PM2.5 and SO2. These differences were primarily caused by EV's high fuel efficiency and high fuel consumption of ICEV. Additional findings indicate that the emissions of PM2.5 and SO2 of BEV were 2.6 and 2.1 times that of ICEV, respectively; and the emissions of PM2.5 and SO2 of PHEV were 1.8 and 1.5 times that of ICEV, respectively. Moreover, we found the emissions of PM2.5 and SO2 of EV will be higher than that of ICEV in high renewable energy scenario with higher biomass share if keeping the emission factor of electricity constant. (C) 2020 Elsevier Ltd. All rights reserved.
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