OK, in full disclosure, I am a huge fan of the Discovery Channel’s “Dirty Jobs.” For those unfamiliar with the show, host Mike Rowe travels the country showing, and doing himself, some of the dirtiest jobs you can imagine… cleaning out septic tanks, gutting fish, you name it.

Apparently, in one episode (one I have to admit I have not seen… bad fan, bad fan) Rowe talks to a guy who makes his own biodiesel from leftover used cooking oil he gets from local restaurants. He’s even converted his vehicle to use a 100% biodiesel mix… and the truck gets 40 miles to the gallon!

Check out this video posted on YouTube and the web site Biodiesel Times:

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I thought it was pretty cool.