因为你开暖风要耗油. ; Z/ \5 t. _( zcaoqian 发表于 2010-12-6 09:45
& v% [/ u/ V) n- y. R. i3 D& hYou sure? Any citations? w; E. v5 a( T7 R. O; {! V+ n ( P% c% ]5 \; B9 g) ]% P7 u6 _" eThe warm air comes from engine heat. It doesn't cost you extra fuel, except when you heat up your car while idling.