A solar-powered toilet that turns urine and feces into hydrogen and electricity has won a $100,000 first prize in the Reinvent the Toilet Challenge sponsored by the Bill & Melinda Gates Foundation.

PORTLAND, Ore. -- The City of Portland unveiled the first in a line of new solar-powered public toilets that will be popping up throughout the city Monday and it's now open for public use. The first ...

A revolutionary toilet fueled by the sun that is being developed to help some of the 2.5 billion people around the world lacking safe and sustainable sanitation would be unveiled in India this month ...

Michael Hoffmann's solar-powered toilet meets all requirements to make it usable in the Third World. It needs no running water, electricity or septic system. It doesn't discharge pollutants and costs ...

The flush toilet is sanitary, convenient -- and needs lots of water. The problem is, that design only works if you have a functioning sewage system and access to a steady water supply. Those ...