Hey, I just converted to WVO and love it. I used fattywagon.com , check them out! So nice to start up on diesel, and when things are nice and warmed up, I hit the 30 gallon wvo switch and voila, instant power! My neighbor and I filter about 70 gallons a week of really nice clean fry oil and have accrued about 500 gallons so far . . . fuel cost? What's that? So glad I bought this truck!