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Concept
Plug-in electric vehicle
Summary
A plug-in electric vehicle (PEV) is any road vehicle that can utilize an external source of electricity (such as a wall socket that connects to the power grid) to store electrical energy within its onboard rechargeable battery packs, to power an electric motor and help propelling the wheels. PEV is a subset of electric vehicles, and includes all-electric/battery electric vehicles (BEVs) and plug-in hybrid electric vehicles (PHEVs). Sales of the first series production plug-in electric vehicles began in December 2008 with the introduction of the plug-in hybrid BYD F3DM, and then with the all-electric Mitsubishi i-MiEV in July 2009, but global retail sales only gained traction after the introduction of the mass production all-electric Nissan Leaf and the plug-in hybrid Chevrolet Volt in December 2010.
Plug-in electric cars have several benefits compared to conventional internal combustion engine vehicles. All-electric vehicles have lower operating and maintenance costs, and produce little or no air pollution when under all-electric mode, thus (depending on the electricity source) reducing societal dependence on fossil fuels and significantly decreasing greenhouse gas emissions, but recharging takes longer time than refueling and is heavily reliant on sufficient charging infrastructures to remain operationally practical. Plug-in hybrid vehicles are a good in-between option that provides most of electric cars' benefits when they are operating in electric mode, though typically having shorter all-electric ranges, but have the auxiliary option of driving as a conventional hybrid vehicle when the battery is low, using its internal combustion engine (usually a gasoline engine) to alleviate the range anxiety that accompanies current electric cars.
Cumulative global sales of highway-legal plug-in electric passenger cars and light utility vehicles achieved the 1 million unit mark in September 2015, 5 million in December 2018. and the 10 million unit milestone in 2020.
Official source
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