(a) No person shall discharge or cause to be discharged from any gasoline-powered vehicle any visible air contaminants for a consecutive period greater than five (5) seconds.
(b) No person shall discharge or cause to be discharged from any diesel-powered vehicle, including diesel-drive motorboat and diesel locomotives, any visible air contaminants darker in shade or density than that designated as No. 1 on the Ringelmann Chart, or twenty percent (20%) opacity, for a consecutive period greater than five (5) seconds.
(Ord. No. 857-A-76. Passed 6-27-77, eff. 6-30-77)