因为你开暖风要耗油.8 [% z* Y, k4 g
caoqian 发表于 2010-12-6 09:45
! b! V1 h) X/ A5 JYou sure? Any citations? / X( Q# {7 V6 P) g/ T 5 S8 t+ o; s/ F' l; YThe warm air comes from engine heat. It doesn't cost you extra fuel, except when you heat up your car while idling.