PHEVs have an internal combustion engine and an electric motor, which uses energy stored in batteries. Powered by Electric Motor and Combustion Engine Although PHEVs are generally more expensive than similar conventional and hybrid vehicles, some cost can be recovered through fuel savings, a federal tax credit, or state incentives. Medium- and heavy-duty vehicles can also be converted to PHEVs. There are several light-duty PHEVs commercially available, and medium-duty vehicles are now entering the market. PHEVs may also produce lower levels of emissions, depending on the electricity source and how often the vehicle is operated in all-electric mode.
Using electricity from the grid to run the vehicle some or all of the time reduces operating costs and fuel use, relative to conventional vehicles. PHEVs can charge their batteries through charging equipment and regenerative braking. Plug-in hybrid electric vehicles (PHEVs) use batteries to power an electric motor, as well as another fuel, such as gasoline or diesel, to power an internal combustion engine or other propulsion source.
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