Section 20-901. VEHICULAR EXHAUST EMISSIONS

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901.1The engine, power and exhaust mechanism of each motor vehicle shall be equipped, adjusted and operated to prevent the escape of a trail of visible fumes or smoke for more than ten (10) consecutive seconds.

source

Section 3 of the District of Columbia Air Pollution Control Act of 1984, D.C. Law 5-165, 32 DCR 565, 647 (February 1, 1985).

                    
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