The whole business went up in smoke. A group of auto-parts dealers have been charged with operating a multimillion-dollar ...

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 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" - when drivers blow thick exhaust clouds from the tailpipe of a truck - may be obnoxious, but it isn't illegal in most US states. Only a handful of states including Maine ...