This weekend got 40mpg in a Chevy Aveo 4dr automatic. Mostly highway and mostly AC on. Did not tape anything or put air. (Costco didn't have air and then next place I stopped wanted a dollar to turn on the air compressor).
HWY 15 north of San Diego has a few hills so I was able to EOC down the back side a few times.
Maybe we need a thread that lists stations near airports where the air is free. :-)
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