1.As used in this act:
"Conventional fuel" means gasoline or diesel fuel;
"Governmental entity" means the State, any agency, authority, or employee thereof, or any political subdivision of the State, including but not limited to any county, municipality, or school district, or any agency, authority, or employee thereof;
"Liquefied petroleum gas" means LPG, butane, butylene, propane, or propylene, or other related or similar compounds commonly regarded to be liquefied petroleum gases as prescribed by rule or regulation adopted by the Department of Environmental Protection pursuant to the "Administrative Procedure Act," P.L.1968, c.410 (C.52:14B-1 et seq.); and
"School bus" means a school bus as defined pursuant to R.S.39:1-1.