David “Heavy D” Sparks and his associates at Sparks Motors LLC illegally sold or retrofitted at least 31 diesel trucks with equipment that disabled required emission control systems, according to the group’s suit.
The incident received national attention because the teenager had been allegedly attempting to intentionally spray the riders with exhaust—an action known as "rolling coal."
Already facing $848,000 in damages for Clean Air Act violations, the Diesel Brothers reality TV stars have a new headache: legal fees of almost $1 million.
