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| Joined: | Mon Nov 21st, 2005 |
| Location: | California USA |
| Posts: | 6399 |
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city officials soon plan to introduce buses that run on biofuels extracted from human waste. ... The biofuel, which is methane generated by fermenting sludge, will come from the Bekkelaget sewage treatment plant which handles waste from 250,000 city dwellers. "By going to the bathroom, a person produces the equivalent of eight litres (2.1 gallons) of diesel per year. That may not seem like a lot, but multiplied by 250,000 people, that is enough to operate 80 buses for 100,000 kilometres (62,000 miles) each," [one official] says.