The guys at Parley's Diesel Performance got together with Graydon Blair of Utah BioDiesel Supply for a tour of his personal bio diesel refinery. Graydon was kind enough to show us how to brew biodiesel at home on a large level. <br /><br /><a class="link" rel="nofollow" href="http://www.parleysdieselperformance.com">http://www.parleysdieselperformance.com</a>
