petro diesel is very dirty compared to filtered biodiesel. I work on big trucks and sell big truck parts. If you only saw what is in the bottom of those 125-200 gallon tanks, ther is always a layer of black fine sludge.
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white 06 3500 Mega Cad dually / K&N drop in / Predator box (#2019) / muffler delete/ home brew B100 here I come!:thumbsup still blending up to 30%wvo