Says TreeHugger: "The bike runs on biogas converted from feces that is harvested directly from the driver -- who sits on the bike's toilet-styled seat."
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And two millennia later, it's all come full circle...
Keeping the pristine wilds of downtown Kabul litter-free!
"No blood for cooking oil!" doesn't really have the same ring to it...
You'll find it on any supermarket shelf. But you'll never find it in a field.
Yeah, uh, fill 'er up with Dewar's, and, um, can you check the oil while you're at it?
What do you do with a four-foot wall of fat trapped in the sewer? If London was Philadelphia, It would be diesel fuel by now.