Court upholds six-figure fine against 'Diesel Brothers' for 'rolling coal

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.

Rolling Coal Could Cost Diesel Brother Millions in Fines

Court upholds six-figure fine against 'Diesel Brothers' for 'rolling coal' - EHN

Smoke and power rise from pulling tractors

TV's 'Diesel Brothers' to pay US$850,000 fine for rolling coal

News Roundup: 'Diesel Brothers' fined for rolling coal, Ontario's plate debacle continues and more

Dave Sparks's Instagram, Twitter & Facebook on IDCrawl

Gunnison Country Times, August 31, 2023 by Alan Wartes Media - Issuu

Red Deer Advocate, April 15, 2015 by Black Press Media Group - Issuu

2006 - doi photography competition

EPA Expands Crackdown on Suppliers of “Rolling Coal” Diesel Defeat Devices - The Detroit Bureau