§ 19-519 Anti-noise and air pollution provisions.
AC § 19-519
a. Definitions. The term "octane rating" shall mean research octane rating or number measured by the research method. The term zero grams lead per gallon shall include gasoline containing up to 0.075 grams of lead per gallon. b. Effective July first, nineteen hundred seventy-one, all motor vehicles licensed under the provisions of this chapter, which are manufactured in the model years nineteen hundred seventy-two or later, shall be equipped with an engine designed to operate on non-leaded gasoline. All motor vehicles manufactured prior to the nineteen hundred seventy-two model year which are licensed under the provisions of this chapter shall operate in the city on the effective dates set forth below only on gasoline which contains no more than the following amount of lead by weight for the respective octane ranges as follows: 96 Octane No. & Above96 Octane No. & Below1. On and after July 1, 19712.0 grams per gal.1.5 grams per gal.2. On and after Jan. 1, 19721.0 grams per gal.1.0 grams per gal.3. On and after Jan. 1, 19730.5 grams per gal.0.5 grams per gal.4. On and after Jan. 1, 1974zero gramszero grams c. Effective July first, nineteen hundred seventy-one, all motor vehicles manufactured in model years prior to nineteen hundred seventy, which are licensed under the provisions of this chapter shall be equipped with such emission control devices or otherwise comply with the standards governing levels of emissions for carbon monoxide, hydrocarbons and oxides of nitrogen applicable to light duty vehicles and engines manufactured in model year nineteen hundred seventy in accordance with Federal Public Law 91-604 cited as the "Clear Air Amendments of nineteen hundred seventy." d. Effective July first, nineteen hundred seventy-one, all motor vehicles manufactured in model years nineteen hundred seventy-one and thereafter, which are licensed under the provisions of this chapter shall be equipped with such emission control devices or otherwise comply with the standards governing levels of emissions for particulates, carbon monoxide, hydrocarbons and oxides of nitrogen established by the commission, which in no event shall be less stringent than those promulgated by federal, state or local agencies, whichever is most stringent. e. No driver shall operate or use a horn or similar signal device installed on a licensed vehicle except as a signal of imminent danger. The commission shall issue regulations and adopt programs facilitating the enforcement of subdivision a and paragraph one of subdivision b of section 10-107 of the code and shall be authorized to entertain complaints against drivers of licensed vehicles charged with a violation thereof.
