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Canada to announce all new cars must be zero emissions by 2035
(www.ctvnews.ca)
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this post was submitted on 19 Dec 2023
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I built a cattle water pumping system this year with Lifepo4 batteries instead of lead acid. It was awesome all summer, never had a problem with the batteries losing charge or getting too hot to work. But as soon as the temps started to hit 0, the builtin heater started to work in order to prevent battery damage (LFP batteries need to be above 0 for charging) when there was enough solar to charge. That battery drain absolutely floored the system and after the nights started getting to -5 or so, it was completely drained between the heater draw and the lower output efficiency.
Cold is the enemy of high performance batteries, and LA batteries aren't a possiblity in EVs.