因为你开暖风要耗油.* T3 r0 |8 W- c( k
caoqian 发表于 2010-12-6 09:45
# b" m2 s/ X3 [6 M/ {You sure? Any citations?% U2 G, i1 H* X6 `4 [6 P
# L! b. }! f- G& ?' }6 A: C
The warm air comes from engine heat. It doesn't cost you extra fuel, except when you heat up your car while idling.