One person's "controlling their own engines" is another "spewing nitrous oxides, carbon monoxide, and other pollutants into the air, giving cancer to neighbors and destroying the atmosphere". We tried the "don't regulate" path and it ended in a multitude of disasters.

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mohamedkoubaa 3 hours ago | parent [-]

You can regulate emissions without preventing custom tunes

	▲	Arainach 3 hours ago \| parent [-]
		In practice, no, you can't. Certainly not without enormous costs such as mandatory regular vehicle inspections.