Last Updated: Thursday, June 28, 2012, 20:23
An aeroplane-style vacuum toilet can help turn human waste into electricity and fertilisers.
Last Updated: Sunday, July 31, 2011, 17:12
A scientist, who has been experimenting with solar-powered water treatment on a small scale, is now planning to incorporate the technology into a portable toilet.
Last Updated: Saturday, December 4, 2010, 13:55
A satellite experiment will test if human feces can be a fuel source in space.
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