<http://schema.org/about>
"In this episode, Chuck chats with fellow musician Rob Del Bueno from Refuel Biodiesel about how to make biodiesel. \"It's simple to do,\" Del Bueno says, \"but it'"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.mnn.com/green-tech/transportation/videos/in-the-green-room-chucks-biodiesel-explainer-part-two>