| 27 July 2010

Image by milena mihaylova Sewage is a surprising resource when it comes to harvesting energy during its treatment. According to researchers from Oregon State University, investing a little more in sewage could provide substantially bigger yields. They've found that adding gold nano-coatings to the anode chamber of a fuel cell could help produce 20 times more electricity from sewage treatment. The findings could mean bid news for combining wastewater with renewable energy generation. ... Read the full story on TreeHugger