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Salesman89 t1_iutg4zk wrote

Reply to comment by Diligent_Nature in 30 minutes of car preheating in sub-zero conditions produces as much particulate emissions as driving 97km in a gasoline car, or 20km in a diesel car “These findings do not suggest to stop preheating cars; instead, we could reduce the emissions by using similar methods that are in place for engine” by giuliomagnifico

But, we say "subfreezing." Your meteorologist likes to say sub zero in the US because he's a cool MK character. There's really no other reason.

I don't care what your car has inside it. 2/3rds of the rock it rolls on is water. Problems will arrise if you drop below the freezing point of water, for your car, your home, your health...

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