A pilot project in the U.K. is the first to turn human sewage
into renewable gas that can power 200 homes. The plant in Didcot treats
sludge in an "anaerobic digestion" process that only takes 20 days from
flush to being piped, unsmelly, back into people's homes.
"Every sewage works in Britain is a potential source
of local renewable gas waiting to be put to use." - Thames Water's CEO Martin Baggs.