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new cars have better fuel economy and that's for sure! because us set the emission bar for 2020 or 2015, so everyone is trying to get within that requirement. ! C! M3 Y. F' K0 ?2 I1 O& N
it was a 2006 GM SIERRA a real gas guzzler
回复 leohu # f" e# t$ y3 p& }; `, f. r& S. }" U- K7 ~2 b. c
/ r7 W* I% n/ g& o new cars have better fuel economy and that's for sure! because us set the emissio ... _1 j5 x5 a$ n) d }) W/ E
亮甲店 发表于 2011-12-8 15:14
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sorry i mean new car as in terms break-in period, any fuel mileage difference...?