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Old 01-28-2010, 07:30 PM   #25 (permalink)
RobertSmalls
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Join Date: Aug 2008
Location: Buffalo, NY, USA
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Prius C - '12 Toyota Prius C
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The 2000 Insight simply refuses to charge its batteries very hard when they're very cold. Regen starts to fall off when it's below freezing out, and at 10°F, I have almost none. Assist is also reduced with temperature, and at -20°F the 12V starter gets used. The Volt has lithium ion batteries instead of my NiMH, but I imagine they'll be all but useless in frigid weather.
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