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camaroman101 · 11-06-2012, 11:55 PM

has winter grade gasoline started being used in IL? just noticed a 1mpg drop from in my mpg and was wondering if that could be it. What kind of drop do you guys see in cold winter weather?

11-06-2012, 11:55 PM	#1 (permalink)
camaroman101 EcoModding Lurker Join Date: Sep 2012 Location: Skokie, IL Posts: 17 Z28 - '95 Chevrolet Camaro Z28 90 day: 17.47 mpg (US) Thanks: 3 Thanked 1 Time in 1 Post	Winter blend of gas and mpg drop has winter grade gasoline started being used in IL? just noticed a 1mpg drop from in my mpg and was wondering if that could be it. What kind of drop do you guys see in cold winter weather?