The following words and phrases when used in this article have the meanings given to them in this section unless the context clearly indicates otherwise:

(a) "Bus" means the same as that term is defined in section thirteen, article one, chapter seventeen of this code.

(b) "Bus depot" means a location where buses are routinely kept overnight, including any garage structure or outdoor bus parking area or both.

(c) "Commission" or "public service commission" means the public service commission of West Virginia.

(d) "Diesel powered" means a type of engine that has operating characteristics significantly similar to the theoretical diesel combustion cycle.

(e) "Farm tractor" means the same as that term is defined in section ten, article one of this chapter.

(f) "Highway" means the same as that term is defined under section three, article one, chapter seventeen of this code.

(g) "Idle reduction technology" means any device or system of devices that is installed on a motor vehicle subject to this article and is designed to provide it those services, such as heat, air conditioning and electricity, that would otherwise require the operation of the main drive engine while the motor vehicle is temporarily parked or remains stationary.

(h) "Idling" means operation of the main propulsion engine of a motor vehicle while the vehicle is stationary.

(i) "Implement of husbandry" means the same as that term is defined in section one, article one, chapter seventeen-a of this code.

(j) "Motor home" means the same as that term is defined in section one, article one, chapter seventeen-a of this code.

(k) "Motor vehicle" means the same as that term is defined in section three, article one of this chapter.

(l) "School bus" means the same as that term is defined in section seven, article one of this chapter.

(m) "School grounds" means the same as that term is defined in section fifty-five, article one of this chapter.

(n) "Stationary idle reduction technology" means equipment that transforms power from the electric grid for the purpose of delivering usable electric power, heat or air conditioning to a motor vehicle for the purpose of reducing main engine idling.