Quote:
Originally Posted by tyronasauras
... Also I turn the MAx Air button on only during deceleration to assist braking, then on vent to accelerate. It is amazing how long cool air will still flow.
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This is what I always do in my wife's Subaru, and it is one of the few hypermiling techniques she has been willing to adopt herself. It works best with the AC on internal air recirculation, I think, since the inside air is initially cooler and dryer than the outside once you've been running the AC a bit.