Quote:
Originally Posted by nowackim
Have not read the entire thread, but... is it no longer true that the additive package in gas is formulated specifically for winter cold, and yields lower mileage?
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According to this article at AAA, summer gas has 1.7% more energy density than winter gas. So yes there is a difference but the difference is small.
What is the Difference between Summer- and Winter-Blend Gasoline? | AAA NewsRoom