'Diesel Brothers' Fined $850,000 for Rolling Coal

Matt Posky
by Matt Posky

The hosts of the Discovery Channel’s Diesel Brothers have been fined $851,451 for selling modified pickups that violate Utah law and the federally recognized Clean Air Act.

U.S. District Court Judge Robert Shelby also said the plaintiffs, Utah Physicians for a Healthy Environment, could submit their attorney fees for the defendants to pay. Cole Cannon, lawyer to the stars, has said the plaintiffs’ attorneys previously told the judge they were seeking $1.2 million.

Friday’s court documents stipulate that David “Heavy D” Sparks, Joshua Stuart, Keaton Hoskins, and “Diesel Dave” Kiley pay $761,451 to the U.S. government with the remaining $90,000 going to Davis County in Utah. The group has already been found guilty of removing particulate filters and exhaust recirculation systems on the cars used for the television program. The only genuine surprise was the sizable fine — as well as some court-appointed rules that will probably make the show less exciting to watch.

According to The Salt Lake Tribune, Judge Shelby was appalled by footage of the brothers (who are only related by their common love of all things diesel) rolling coal — especially because they seemed to be making a profit from it.

“These economic benefits,” he explained in his ruling, “continue extending well beyond the profits from these prohibited activities to defendants’ status as television and social media celebrities, the reputation and notoriety of their brands, and the economic leverage they have used to accumulate assets and start new businesses.”

Shelby also said the show will be prohibited from removing pollution mitigation systems for the show or selling any vehicles without the required emissions equipment, noting that any missteps could put them in contempt of court. Considering the Diesel Brothers’ entire premise revolves around the building of brash diesels with more power, it could be tricky rule to follow.

While the show’s habit of selling (or simply giving away) modified vehicles used in filming isn’t abnormal, it has opened it up to complications. Physicians for a Healthy Environment had an ace up its sleeve when it purchased one of the program’s modified trucks. Intended to be used as evidence from the outset, the pickup was sent to Denver for testing.

Documents show the rig emitted 36 times more pollution and 21 times the amount of particulate matter than an identical truck equipped with proper emission control devices. A case was made against the show, with plaintiffs adding that Sparks also runs a website, called Dieselsellerz, that allows customers to buy and sell used pickups with illegal modifications.

It appears to have been a rather effective strategy. Reed Zars, an attorney representing Utah Physicians, noted that the judge came extremely close to issuing the maximum fines allowable by law.

The Diesel Brothers have responded by saying the changes needed to keep diesels in line with regulatory laws have become ridiculous, noting that they’ve tried to adhere with rules as environmental groups continue hunting for ways to cripple aftermarket companies and tuners. Furthermore, they claim that some of the modifications performed on the show actually improve MPGs and power. It’s their belief that such modifications would be desirable to consumers. They added that the court completely ignored their routine usage of biofuels.

[Image: Toa55/Shutterstock]

Matt Posky
Matt Posky

A staunch consumer advocate tracking industry trends and regulation. Before joining TTAC, Matt spent a decade working for marketing and research firms based in NYC. Clients included several of the world’s largest automakers, global tire brands, and aftermarket part suppliers. Dissatisfied with the corporate world and resentful of having to wear suits everyday, he pivoted to writing about cars. Since then, that man has become an ardent supporter of the right-to-repair movement, been interviewed on the auto industry by national radio broadcasts, driven more rental cars than anyone ever should, participated in amateur rallying events, and received the requisite minimum training as sanctioned by the SCCA. Handy with a wrench, Matt grew up surrounded by Detroit auto workers and managed to get a pizza delivery job before he was legally eligible. He later found himself driving box trucks through Manhattan, guaranteeing future sympathy for actual truckers. He continues to conduct research pertaining to the automotive sector as an independent contractor and has since moved back to his native Michigan, closer to where the cars are born. A contrarian, Matt claims to prefer understeer — stating that front and all-wheel drive vehicles cater best to his driving style.

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  • Art Vandelay Art Vandelay on Mar 15, 2020

    The buyers of these trucks also by in large knew what they were getting. They should get very nice letters informing them that they have a fixed amount of time to have the vehicles brought into compliance or lose the ability to register them in any state. Should they continue to operate on public roads after that, without repair, crush em'. And "rolling coal" is dangerous outside of the carcinogens...you are obscuring the vision of the driver you are rolling. This behavior should be treated as street racing with heavy fines, and a similar strategy as above.

  • Steve Steve on Mar 21, 2020

    I've been a big fan of anything with wheels and pistons for decades. But this b---sh-t rolling coal is for toothless, hillbilly morons. Build a truck and use it as a truck and not as some idiot magnet. WTF...lump in burn out contests with that as well.

  • TheMrFreeze That new Ferrari looks nice but other than that, nothing.And VW having to put an air-cooled Beetle in its display to try and make the ID.Buzz look cool makes this classic VW owner sad 😢
  • Wolfwagen Is it me or have auto shows just turned to meh? To me, there isn't much excitement anymore. it's like we have hit a second malaise era. Every new vehicle is some cookie-cutter CUV. No cutting-edge designs. No talk of any great powertrains, or technological achievements. It's sort of expected with the push to EVs but there is no news on that front either. No new battery tech, no new charging tech. Nothing.
  • CanadaCraig You can just imagine how quickly the tires are going to wear out on a 5,800 lbs AWD 2024 Dodge Charger.
  • Luke42 I tried FSD for a month in December 2022 on my Model Y and wasn’t impressed.The building-blocks were amazing but sum of the all of those amazing parts was about as useful as Honda Sensing in terms of reducing the driver’s workload.I have a list of fixes I need to see in Autopilot before I blow another $200 renting FSD. But I will try it for free for a month.I would love it if FSD v12 lived up to the hype and my mind were changed. But I have no reason to believe I might be wrong at this point, based on the reviews I’ve read so far. [shrug]. I’m sure I’ll have more to say about it once I get to test it.
  • FormerFF We bought three new and one used car last year, so we won't be visiting any showrooms this year unless a meteor hits one of them. Sorry to hear that Mini has terminated the manual transmission, a Mini could be a fun car to drive with a stick.It appears that 2025 is going to see a significant decrease in the number of models that can be had with a stick. The used car we bought is a Mk 7 GTI with a six speed manual, and my younger daughter and I are enjoying it quite a lot. We'll be hanging on to it for many years.
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