Prosecutors say the ring smuggled thousands of illegal devices that let diesel-truck drivers belch hundreds of times more ...

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 ...

There have been several stories recently about the scourge of rolling coal, i.e., diesel trucks modified to lay down a thick, black smoke screen, sometimes for vaguely political reasons.Whatever ...

New Jersey Governor Chris Christie has signed a law making rolling coal illegal in the state. The bill was introduced less than a year ago after a pickup belched soot on a State Assemblyman's ...

"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 ...

Defeat devices are meant to boost the performance of diesel vehicles, but are often used to outfit trucks for "rolling coal." Rolling coal is the practice of revving a truck engine to blow a thick ...

Mining giant Glencore has maintained its full year production guidance across all commodity groups, after reporting lower metal production for the first nine months of the year, while coal output ...