A Tesla driver recently caught obnoxious behavior from a big truck driver on ... The practice, known as rolling coal, involves modifying the engine of the truck to take in excess fuel and ...

The practice known as “rolling coal” occurs when a diesel truck is modified so that it can intentionally blast black smoke in abundance, and its origins can be traced back to truck pulling or ...

Rolling coal is popular with some diesel pickup truck drivers. They can spend somewhere between several hundred to several thousand dollars on modifications that make the truck belch towers of ...

The practice of rolling coal is under fire again ... “Diesel engines have long been a popular option in heavy-duty pickup trucks because of their superior fuel efficiency and towing performance, ...