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Old 04-22-2011, 07:48 PM   #2 (permalink)
UFO
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Join Date: Sep 2010
Location: Denver, CO
Posts: 1,300

Colorado - '17 Chevrolet Colorado 4x4 LT
90 day: 23.07 mpg (US)
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My Scangauge tells me fuel consumed idling in neutral vs in drive is roughly half. I bet that is common to most automatics. It's the engine load that consumes fuel, and a small rpm spike does not take much.
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