A.
It shall be unlawful for the operator or any passenger in a motor vehicle to smoke cigarettes, pipes, or cigars in a motor vehicle, passenger van, pickup truck or commercial vehicle when any person under the age of 18 is present in the vehicle, regardless of whether the motor vehicle's windows are down.
B.
"Smoke" as used in this article, shall mean inhaling, exhaling, burning, or carrying any lighted cigarette, cigar, pipe, weed, plant, regulated narcotic, or other combustible substance.