This is a pretty encouraging development.
"A team of engineers from Oregon State University has developed a breakthrough microbial fuel cell that is capable of generating 10 to 50 times more electricity from waste than other MFCs."
http://oregonstate.edu/ua/ncs/archives/2012/aug/major-advance-made-generating-electricity-wastewater
"A team of engineers from Oregon State University has developed a breakthrough microbial fuel cell that is capable of generating 10 to 50 times more electricity from waste than other MFCs."
http://oregonstate.edu/ua/ncs/archives/2012/aug/major-advance-made-generating-electricity-wastewater