The Dictionary

If you don't know a BEV from a PHEV then this is the place for you

HEV
Hybrid Electric Vehicle. A petrol or diesel car, like the BMW X5 Hybrid, that also has a small electric motor and battery. It doesn’t have a plug, can’t be charged up from the grid and gets its power from the engine or braking energy. It has a limited electric range. See ‘Hybrid’.