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Rolling Coal
coal Rolling coal (also spelled rollin' coal) is the practice of modifying a diesel engine to emit large amounts of black or grey sooty exhaust fumes—diesel fuel that has not undergone complete combustion. Rolling coal is a form of anti-environmentalism.[1] Such modifications may include the intentional removal of the particulate filter.[2] Practitioners often additionally modify their vehicles by installing smoke switches, large exhausts,[3] and smoke stacks.
In July 2014, the United States Environmental Protection Agency stated that the practice was illegal, as it violated the Clean Air Act which prohibits the manufacturing, sale, and installation "of a part for a motor vehicle that bypasses, defeats, or renders inoperative any emission control device" and "prohibits anyone from tampering with an emission control device on a motor vehicle by removing it or making it inoperable prior to or after the sale or delivery to the buyer. "[28] Maine 2113 2019 2019 Prohibits operating a diesel-powered motor vehicle under 18,000 pounds (8,200 kg) gross weight that emits visible smoke on a public way or parking area because of an alteration to the air pollution control system. Overland Park, Kansas[ edit] The engine and power mechanism of every motor vehicle shall be so equipped and adjusted as to prevent the escape of excessive fumes or smoke.
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