Originally Posted By: falcon5000
Once done, we found that even with an oil change, clean air filter and proper tire pressure, we were averaging roughly 9.4 miles to the gallon.




And guess what? With the device on, we were now averaging 23.2 miles to the gallon. That's 61% better than the gas mileage we were previously getting.

Um, from 9.4 miles per gallon to 23.2 miles per gallon is a 61% increase?!? confused What kind of advanced math is that? My calculations show that it is more like a 147% increase.

A 61% increase to 9.4 miles per gallon is 15.1 miles per gallon, not 23.2 miles per gallon.
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