Battery Electric Vehicle (BEV)– A vehicle powered by electricity, generally provided by batteries. BEVs qualify in the Zero Emission Vehicle (ZEV) category for emissions.
Plug-in Hybrid Electric Vehicle (PHEV)– A vehicle propelled by both an internal combustion engine and an electric motor.
Hybrid Electric Vehicle (HEV)– A vehicle powered by two or more energy sources, one of which is electricity. HEVs combine the engine and fuel of a conventional vehicle with the batteries and electric motor of an EV.
Plug-in electric Vehicles (PEV)–A vehicle thatderives all or part of its power from electricity supplied by the electric grid. They include electric vehicles (EVs) and PHEVs.