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They say biodiesel from fast food restaurants smells like French fries when driven.. I wonder what "lipodiesel" smells like?
In all seriousness, this is a wrenching article - I am almost over the weird enough to feel bad for him. I think he's just trying to do the right thing. Apparently his clients knew about it and liked the idea. It's a tough call... biowaste is not something you want to mess around with.
(Thanks to Eve for this weird, weird article from the Daily Telegraph.)