因为你开暖风要耗油.) }% T/ X1 b! z
caoqian 发表于 2010-12-6 09:45
0 {% P, [+ X2 S, M7 J& u. I0 W/ O$ J. }You sure? Any citations? 2 f) w' A5 k- ]+ M1 ]) S$ ^ 9 {5 L$ ?, M8 P) T( rThe warm air comes from engine heat. It doesn't cost you extra fuel, except when you heat up your car while idling.