01-26-2011, 10:55 PM
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#2 (permalink)
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Senior Member
Join Date: Oct 2010
Posts: 579
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Exactly. When you fill up, make a note of the odometer reading. When you fill up NEXT time, again note the odometer, and ALSO note how many gallons you just put in. Divide the miles (subtract the old reading from the new one) by the gallons, and voila! Miles per gallon.
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