Archive for November 29th, 2016

November 29, 2016

Rolling Coal

kiss my gas

Rolling coal is the practice of modifying a diesel engine to increase the amount of fuel entering the engine in order to emit an under-aspirated sooty exhaust that visibly pollutes the air. It also may include the intentional removal of the particulate filter. Practitioners often additionally modify their vehicles by installing smoke switches and smoke stacks.

Rolling coal is a form of conspicuous air pollution, for entertainment or for protest. Some drivers intentionally trigger coal rolling in the presence of hybrid vehicles (a practice called ‘Prius repellent’) to taunt their drivers, who are perceived as being environmentally motivated in their vehicle choice. Coal rolling may also be triggered at foreign cars, bicyclists, and pedestrians. Users cite ‘American freedom’ and ‘a stand against rampant environmentalism’ as reasons for coal rolling.

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