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Subject:Re: Additional questions ... trip x-country is going great but...
From:Larry Alofs
Date:Tue, 10 Jul 2001 21:32:59 -0500
> I actually
> seem to
> get better mileage with the A/C on at 55 mph than at 65 without A/C
>
> Does this make sense to anyone?

Makes sense in two ways.
  Other factors being equal, 55 mph always give better mileage than 65 mph. Less energy wasted fighting air resistance.
  If you have the windows open when your AC is off, it increases the air resistance a great deal, wasting more energy, using more gas.

Larry A.