There is a guy that sells a biodiesel conversion setup on eBay that lives within an hour of here, (
BIODIESEL PROCESSOR HDPE NO PVC! Makes 45 Gallons - eBay (item 150304021397 end time Nov-14-08 14:19:36 PST) ) and a shop that converts diesels to WVO in the Springfield area - also within an hour. (
Welcome to Golden Fuel Systems! - HOME ) I've thought about going either way, since the best mileage car I ever owned was an '83 Pontiac 6000 with the V-6 diesel. It got mid-30s with A/C on consistently!