Use of Pressurized Gases as Motor Vehicle Fuels

Any vehicle within the state which carries any pressurized gas as its fuel in a tank attached to the vehicle in any concealed area, including but not limited to, trunks, compartments or under such vehicle pursuant to Public Act No. 83-317 shall have displayed on its exterior the words "Pressurized Flammable Gas" in block letters at least two inches high (50.8 mm), which letters shall be contrasting colors and shall be placed as near as possible to the area where the tank is located. In lieu of the above described lettering a vehicle which is required to be so identified may have permanently affixed to its exterior a reflectorized weather resistant sign which shall be horizontally oriented diamond the center height of which shall be two-thirds (2/3) of the centerline length and of sufficient size to accommodate block lettering of at least 50.8 mm (2 inches) and further described as follows:

1. (a) In the case of vehicles using compressed natural gas or liquified natural gas, in silver or white letters CNG centered on a blue background.
2. (b) In the case of any vehicle using any liquified petroleum gas, in white letters PROPANE centered on a black background.
3. (c) In the case of vehicles using pressurized flammable gas other than those provided for in either subsection (a) or subsection (b), in white letters PFG centered on a red background.
4. (d) In the event any such sign is affixed to a vehicle the color of which does not provide significant contrast between the vehicle color and the sign, the sign shall have a 6 mm (1/4 inch) border of the same color as the letters on the sign so as to provide ready recognition of the sign.

5. (e) (1) Each vehicle required to be identified pursuant to Public Act No. 83-317 shall have the required sign, label or placard affixed to either the body of the vehicle as near as is practicable to the filling connection or directly upon the fuel tank at the filling connection so as to be clearly legible when viewed at a distance of 7.6 meters (25 feet) perpendicular to the vehicle upon which it is displayed.

   1. (2) Unless the sign, label or placard required pursuant to subdivision (1) of this section is located as hereinafter provided, each motor vehicle shall in addition to the identification required pursuant to subdivision (1) have an additional sign, label or placard affixed to the back of the vehicle, not including the bumper, within 76 cm (30 inches) of the license plate which shall be clearly legible when viewed at a distance of 7.6 meters (25 feet) directly to the rear of the motor vehicle on which it is displayed.

(Effective May 11, 1984)