Rolling coal is the practice of tampering with a vehicle’s emissions control system, causing it to spew black clouds of sooty exhaust.

  • grue@lemmy.world
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    1 year ago

    Wait I thought people were just tampering to get higher performance or something, idk

    Some folks are, but their goal is to not spew a bunch of black smoke because black smoke means incomplete combustion, which in turn means less power than they could’ve had if they’d managed to shove more air in.

    “Rolling coal” is an entirely different thing based purely on idiocy and spite.