California Vehicle Code 27153.5 – (a) No motor vehicle first sold or registered as a new motor …
(a) No motor vehicle first sold or registered as a new motor vehicle on or after January 1, 1971, shall discharge into the atmosphere at elevation of less than 4,000 feet any air contaminant for a period of more than 10 seconds which is:
(1) As dark or darker in shade as that designated as No. 1 on the Ringelmann Chart, as published by the United States Bureau of Mines, or
Terms Used In California Vehicle Code 27153.5
- motor vehicle: includes a recreational vehicle as that term is defined in subdivision (a) of §. See California Vehicle Code 415
- vehicle: is a device by which any person or property may be propelled, moved, or drawn upon a highway, excepting a device moved exclusively by human power or used exclusively upon stationary rails or tracks. See California Vehicle Code 670
(2) Of such opacity as to obscure an observer’s view to a degree equal to or greater than does smoke described in paragraph (1) of this subdivision.
(b) No motor vehicle first sold or registered prior to January 1, 1971, shall discharge into the atmosphere at elevation of less than 4,000 feet any air contaminant for a period of more than 10 seconds which is:
(1) As dark or darker in shade than that designated as No. 2 on the Ringelmann Chart, as published by the United States Bureau of Mines, or
(2) Of such opacity as to obscure an observer’s view to a degree equal to or greater than does smoke described in paragraph (1) of this subdivision.
(c) The provisions of this section apply to motor vehicles of the United States or its agencies, to the extent authorized by federal law.
(Amended by Stats. 1973, Ch. 216.)