<iframe src="http://www.npr.org/player/embed/4722639/4722640" width="100%" height="290" frameborder="0" scrolling="no">
Mike Pelly, owner of Olympia Green Fuels, uses bio-diesel fuel to power his two cars. He makes the mixture from used vegetable oil discarded by Chinese restaurants and fast-food joints. Pelly tells Steve Inskeep how it works.
NPR thanks our sponsors
Become an NPR sponsor
Support The Programs You Love