it consumes less gas in high gear under coasting condition.

來源: fixanycars 於 2009-10-16 08:40:25 [] [博客] [舊帖] [給我悄悄話] 閱讀數 : (164 bytes)

it consumes less gas in high gear under coasting condition because engine rpm is lower than that when the vehicle is engaged in low gear at the same coasting speed.

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