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 ...

Black smoke clouds are pouring from social media sites about “rolling coal,” a practice by some diesel pickup truck drivers of intentionally spewing plumes of smoke. Illegal on public roadways but a ...

Over the past few years, some of America's, shall we say, less enlightened drivers hit upon a new trend. They started modifying big diesel trucks to spew clouds of soot and smoke whenever the driver ...