因为你开暖风要耗油. ; E7 {2 m) g' y( X8 U. n- o9 @- o, `caoqian 发表于 2010-12-6 09:45
7 P6 V$ _- P2 ~' G G8 UYou sure? Any citations? + \9 q6 m& T: P1 T1 c* Y2 X: O0 I: n! }3 \9 H# L( m
The warm air comes from engine heat. It doesn't cost you extra fuel, except when you heat up your car while idling.