Only when I have to, which equals when my wife is carpooling with me. Unfortunately/fortunately I work a ton of hours, so I leave for work before the sun's up and it's nice and cool (75 degrees). Usually I don't leave work until after six, and I keep the windows cracked since I have rain guards, and I keep sun shades on the front and back windshields. So generally it's bearable without AC.
If I hit 80 mpg on the FCD this tank, I'll run the AC on Econ next tank and see the effect.
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