因为你开暖风要耗油.4 j( j& ~+ C. G
caoqian 发表于 2010-12-6 09:45
, f% }" }( C# MYou sure? Any citations?3 X" O) X6 A' i! Y% c/ K
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The warm air comes from engine heat. It doesn't cost you extra fuel, except when you heat up your car while idling.