Is "coal running" a non-US term? Rolling coal is the practice of modifying a diesel engine to emit large amounts of black or grey sooty exhaust fumes—diesel fu

Is "coal running" a non-US term? Rolling 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. It is a predominantly North American phenomenon (more specifically in the United States and Canada), despite being illegal. https://en.wikipedia.org/wiki/Rolling_coal https://en.wikipedia.org/wiki/Rolling_coal