My wifes V6 05 Mustang gives out mpg info on the odometer section and I have been playing with it on one trip......if I follow about 80-100' behind a full sized car at 65 it gets .8 mpg better FE than driving alone. The gauge shows average mpg for the trip, but can be reset at any time...so I set the cruise and then reset it after someone pulled in front of me and we both held the same speed.
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42 time NHRA/IHRA drag race champ
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