New Jersey Statutes Title 39. Motor Vehicles and Traffic Regulation 39 § 3-79.4

a. No person shall drive upon a public highway, road or street a motor vehicle registered or principally garaged in this State and powered primarily or secondarily by a compressed or liquified gaseous fuel unless the vehicle is identified with a weather resistant diamond shaped label which may be obtained from the New Jersey Motor Vehicle Commission or from a gas industry source.

b. A fee may be charged for the label. The amount of the fee shall be established by rule and regulation of the Chief Administrator of the New Jersey Motor Vehicle Commission and shall not exceed the reasonable cost of preparation and distribution.

c. As used in P.L.1984, c. 55 (C.39:3-79.4 et seq.), “compressed or liquified gaseous fuel” shall not include a hydrogen fuel cell system used to power a motor vehicle, provided that the fuel cell system is installed by the vehicle manufacturer and the exterior of the vehicle includes a manufacturer-installed badge identifying it as being a fuel cell-powered vehicle.