Battery Electric Vehicles (BEVs)
Onboard batteries power one or more electric motors. Plug batteries into the electricity grid to recharge.
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Hybrid Electric Vehicles (HEVs)
Combines an internal-combustion engine (ICE) with an electric motor. HEV batteries are charged by on-board operations, not by plugging into the grid.
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Plug-in Hybrid Electric Vehicles (PHEVs)
Powered by an internal-combustion engine (ICE) and an electric motor. Plug the on-board battery into the grid to charge.
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Fuel-cell Electric Vehicles (FCEVs)
Fuel cells generate electricity by combining oxygen and hydrogen. Some FCEVs are just coming on the market, and few re-fuelling stations are available.
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Image Source: https://www.caa.ca/sustainability/electric-vehicles/engine-options/