Prosecutors say the ring smuggled thousands of illegal devices that let diesel-truck drivers belch hundreds of times more pollution than allowed by law The whole business went up in smoke. A group of ...

A driver took to Reddit to share dramatic dashcam footage after recording a pickup truck "rolling coal" all the way into the highway median. The video shows a pickup truck abruptly and repeatedly ...

There’s nothing cool about rolling coal, also known as coal rolling. To those unfamiliar with the practice, it entails a diesel truck spewing a thick plume of black smoke on unsuspecting cyclists, ...