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happyscrappy t1_ius3bz7 wrote

Reply to comment by gathermewool 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

Ice melts too slowly regardless. Get a scraper for the ice/frost.

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gathermewool t1_iusnamw wrote

I mentioned it somewhere else, but I only run the engine to de-ice when it’s substantial. That doesn’t occur often.

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