Recently I went 1700 something miles on a tank of diesel. I use Waste Veggie Oil but factor that into my mpg of purchased fuel. The last tank I did a lot of long trips which meant I went much further on a tank of purchased diesel. Anyway...the site figured out my mpg as 124 (which is correct) ... but leaves the distance part blank. Does it think the number is too far out of range and must be an error?
drnknmnky13 
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