Rolling coal
Modified diesel engines emitting sooty exhaust fumes / From Wikipedia, the free encyclopedia
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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.
The examples and perspective in this article deal primarily with the United States and do not represent a worldwide view of the subject. (August 2023) |
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. Modifications to a vehicle to enable rolling coal may cost from US$200 to US$5,000.[4][5]