This is why I also keep a running fuel log on Fuelly.com, all the way back to the day I bought the Black Widow two years ago
The fuel log here isn't as user friendly or customizable as Fuelly's, which seems strange since this entire site is basically centered around the affects of mods on mpg.
That being said, I was on Fuelly for a year and a half just tracking my mileage. Then I stumbled across ecomodders, and in the six months since I have increased my average gas mileage by over 15 mpg, or about 35%
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