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Fuel Economy Battle - Full Aero vs Conventional - ATS - T680 vs W900

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countryboy_gaming

Welcome everybody to a fuel eco showdown. Today we have 2 trucks spec'd the same except for the cabs. x15 Cummins with 18 spd and 3.36 rears. Who will get the most mpg? Lets find out.

Thanks!

posted by kodrasti5c