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Old 03-07-2012, 02:28 PM   #14 (permalink)
rmay635703
home of the odd vehicles
 
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Join Date: Jun 2008
Location: Somewhere in WI
Posts: 3,891

Silver - '10 Chevy Cobalt XFE
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Red-X gas stations used to sell gasoline that has 4% diesel in it right from the pump, yes it does increase mileage, likely more then than now, but you won't see me doing it in any of my cars either.
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