Code of Virginia
Chapter 7 - Highway Use Fee and Mileage-Based User Fee Program
§ 46.2-770. (For contingent expiration, see Acts 2020, cc. 1230 and 1275) Definitions

As used in this chapter, unless the context requires a different meaning:
"Alternative fuel vehicle" means a vehicle equipped to be powered by a combustible gas, liquid, or other source of energy that can be used to generate power to operate a highway vehicle and that is neither a motor fuel nor electricity used to recharge an electric motor vehicle or a hybrid electric motor vehicle.
"Electric motor vehicle" means a vehicle that uses electricity as its only source of motive power.
"Fuel-efficient vehicle" means a vehicle that has a combined fuel economy of 25 miles per gallon or greater.
2020, cc. 1230, 1275.