Thread: Bogus Fuel-Saving Device Sellers diesel/gasoline
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Old 05-07-2007, 06:42 PM
jap jap is offline
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Join Date: May 2007
Location: Little Hocking, Ohio
Posts: 45
i've heard truckers using them getting 10% extra mpg. of course that could be driving style/speed/etc. And also, and mb is not a semi
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