Catfish Power: Vietnam engineer makes cheap bio-fuel from fish fat

Tired of paying too much at the pump? The solution may be at the end of your fishing line. All you have to do is catch a mess of catfish and send them to Vietnam engineer Ho Xuan Thien, who has figured out how to turn the fish's fat into a cheap bio-fuel. How cheap, you say? Only VND6,500 per liter. What a bargain!