[R.O. 1966 C.S. § 3:1-24]
No motor vehicle shall be operated which causes a nuisance by
emitting unreasonable or excessive smoke, gases, vapors or fumes while
stationary or while moving for a distance of more than 100 yards anywhere
within the City.
[R.O. 1966 C.S. § 3:1-25]
No gasoline or diesel-fueled bus shall be permitted to operate
discharging air polluting gases for more than three minutes while
stationary at a route terminal.
[R.O. 1966 C.S. § 3:1-26]
No automobile, except as hereinafter provided, which uses gasoline
or diesel fuel and discharges the exhaust caused by the combustion
of such fuel into the open air through a vertical exhaust pipe, shall
be operated upon the streets, roads and highways of the City.