Editing Vehicle emissions control (section)

==Alternative fuel vehicles==
{{Main|Alternative fuel vehicle}}

Exhaust emissions can be reduced by making use of clean vehicle propulsion. The most popular modes include [[Hybrid electric vehicle|hybrid]] and [[electric vehicle]]s. {{As of|2020|12}}, China had the world's largest stock of highway legal plug-in electric passenger cars with 4.5&nbsp;million units, representing 42% of the world's stock of plug-in cars.<ref name=EVOutlook2020>{{cite web |url=https://www.iea.org/reports/global-ev-outlook-2020 |title=Global EV Outlook 2020: Entering the decade of electric drive? |author=[[International Energy Agency]] (IEA), Clean Energy Ministerial, and Electric Vehicles Initiative (EVI) |publisher=IEA Publications |date=June 2020 |access-date=2021-01-10}} ''See Statistical annex, pp. 247–252 (See Tables A.1 and A.12).''</ref><ref name=ChinaNEV2020>{{cite web| url=http://en.caam.org.cn/Index/show/catid/34/id/140.html |title=Sales of New Energy Vehicles in December 2020 |author=China Association of Automobile Manufacturers (CAAM) |publisher= CAAM | date=2021-01-14 | access-date=2021-02-08}} ''NEV sales in China totaled 1.637 million in 2020, consisting of 1.246 million passenger cars and 121,000 commercial vehicles.''</ref>