Minnesota Administrative Rules
7023.0105 STANDARDS OF PERFORMANCE FOR MOTOR VEHICLES.
No person shall cause or permit the emission of visible air contaminants from a motor vehicle, other than one powered by a diesel cycle engine, for more than ten consecutive seconds.
No person shall cause or permit the emission of visible air contaminants from a motor vehicle powered by a diesel cycle engine:
§
A.
in excess of 20 percent opacity for more than 20 consecutive seconds if the engine was manufactured prior to January 1, 1973; or
§
B.
in excess of ten percent opacity for more than 20 consecutive seconds if the engine was manufactured after January 1, 1973.
Statutory Authority:
MS s 116.07
History:
18 SR 614
Published Electronically:
January 19, 2005
Official Publication of the State of Minnesota
Revisor of Statutes