A.
No person shall cause, suffer, allow or permit the engine of a diesel-powered motor vehicle to idle for more than three consecutive minutes if the vehicle is not in motion, except:
B.
The provisions of Subsection A above shall not apply to:
(1)
Autobuses, while discharging or picking up passengers.
(2)
Motor vehicles stopped in a line of traffic.
(3)
Motor vehicles whose primary and/or secondary power source is utilized in whole or in part for necessary and definitively prescribed mechanical operation other than propulsion, passenger compartment heating or air conditioning.
(4)
Motor vehicles being or waiting to be examined by state or federal motor vehicle inspectors.
(5)
Emergency motor vehicles in an emergency situation.
(6)
Motor vehicles while being repaired.
(7)
Motor vehicles while engaged in the process of connection, detachment or exchange of trailers.
(8)
Motor vehicles manufactured with a sleeper berth while being used, in a nonresidentially zoned area, by the vehicle's operator for sleeping or resting.