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Old 12-03-2012, 01:06 AM   #1
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Winter Fuel Econcomy

I noticed my average fuel economy dropped around 2 MPG's soon after November. I only fill up with non-ethanol fuel and was wondering if non-ethanol stations use a less efficient "winter blend" similar to normal, ethanol stations.

Also, how much of an impact on fuel mileage does cold air cause? Let's take away the fuel aspect and perhaps even the warm-up period. Does the colder, denser, "heavier" air cause enough problems aerodynamically to make a difference?

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