Alternative Catalysts and catalyst-free bio
I thought these made seme pretty interesting reading, we kinda got on this track in Fabman's thread. I gotta figure out how to invest in some of this stuff.
-matt
http://watthead.blogspot.com/2005/11...t-organic.html
(WARNING - you need Adobe reader)
http://www.biodieselgear.com/documen...cal_Method.pdf