If someone is making it out of their garage, they need to test it to make sure that it is up to the same standards that the commercial biodiesel manufacturers are conforming to. If someone makes their own and they sell it to someone else without proper testing, I would have to say that they are very irresponsible. That is just my opinion though.
Josh
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2006 Dodge Ram 2500 CTD SLT, Auto, Mega Steps, stainless bed caps, extreme bed liner, chrome door & tailgate handles, no muff or cat, Smarty, triple pillar pod, isspro boost, EGT, tranny temp, no silencer ring, debadged, S&B CAI