Teenagers were enjoying a meal at a burger joint in Texas after a football game when something totally unexpected happened. Some pranksters waited until the front door of the restaurant was opened, then filled it with nasty exhaust fumes from a pickup truck. “Rolling Coal” stunts like these have been menacing innocent people around the country. Rich Strube, who owns an auto shop on Long Island, New York, says that to produce that level of exhaust, engines have to be deliberately modified.
