taken from utah admin code R307-305-3
(1) Visible emissions from existing installations except diesel engines shall be of a shade or density no darker than 20% opacity. Visible emissions shall be measured using EPA Method 9.
(2) No owner or operator of a gasoline engine or vehicle shall allow, cause or permit the emissions of visible contaminants.
(3) Emissions from diesel engines, except locomotives, shall be of a shade or density no darker than 20% opacity, except for starting motion no farther than 100 yards or for stationary operation not exceeding three minutes in any hour.
(4) Visible emissions exceeding the opacity standards for short time periods as the result of initial warm-up, soot blowing, cleaning of grates, building of boiler fires, cooling, etc., caused by start-up or shutdown of a facility, installation or operation, or unavoidable combustion irregularities which do not exceed three minutes in length (unavoidable combustion irregularities which exceed three minutes in length must be handled in accordance with R307-107), shall not be deemed in violation provided that the executive secretary finds that adequate control technology has been applied. The owner or operator shall minimize visible and non-visible emissions during start-up or shutdown of a facility, installation, or operation through the use of adequate control technology and proper procedures.
and here is a link to the rest
http://www.rules.utah.gov/publicat/c...307-305.htm#T3300 feet is a long damn ways..
Where I was merging from one freeway to another I don't see how think kid though he was in the right..
We'll see what the court has to say.