There is now such a thing as a tactical biorefinery, i.e. a portable device for turning trash into energy, i.e. that thing Doc was using to power his Delorean at the end of Back to the Future.
Found at Nerd World (a blog about geek culture by TIME book critic Lev Grossman) .
Image via Purdue University .
Popular Science this month features on article on a similar machine.
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