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Greens had Stephen Colbert seeing red, so he was excited to hear about a new anti-environmentalist trend: coal rolling. “Coal rollers modify their diesel pickups to get shittier mileage and belch as much pollution as possible,” explains Jim Meyer. The dirty pranksters then kick up black clouds on bicyclists, pedestrians, and hybrid cars. As Colbert points out, “The only other way to keep a Prius away from you is driving over 45 mph.”