Jason Mendelson was driving his Toyota Prius in the right lane of Interstate 64 near Richmond, Virginia, when a white pickup truck with two protruding smokestacks cut into the lane ahead. After a few ...

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, ...

Truck owners are artificially increasing their diesel exhaust and adding coal stacks to their pickups to smoke out environmentalists. Victims of these black smoke barrages include cars with ...

Grist is a nonprofit, independent media organization dedicated to telling stories of climate solutions and a just future. On the campaign trail earlier this month, U.S. Senate candidate Herschel ...