moorecomp -
I wouldn't worry about the tank-to-tank. Watch for the overall trends in the data. Your movin' up from what I can see,
![Thumbs up](/forum/images/smilies/grinning-smiley-003.gif)
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Also, because your fuel log started in the summer, you should expect it to go down because of your winter weather in Michigan,
![Frown](/forum/images/smilies/frown.gif)
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CarloSW2