Anyone hear of it? I was watching Trucks this morning, they have a kit with a big vat, and chemicals, and a drain. Used cooking grease from local retaurants, some kind of solid calcium product, waited for it to settle, drained the crud out of the bottom after an hour, until amber colored fuel was coming fully out of the tube and no crud left. Then you could use a hose and water wash it somehow for ultra clean fuel. Turns out, 70 cents roughly a gallon, better performance, less emissions, better fuel economy, and just all around better. It was weird, something to do with chemical bonding that seperated the fuel from the grease etc. One of my first semester classes is chemical bonding, so when I figure out what I just said, I'll make sure to explain it better. Obviously just for Diesel trucks.