microbial fuel cell instructable contest highest output put on a toilet system. Green energy power from composting

A microbial fuel cell instructable contest Could help be a think tank for highest output put on a toilet system.
This could also work with Green energy power topics and instructables on composting.

The fuel cell book on the for evil genius series has info on it. It also contains journal articles.

http://www.microbialfuelcell.org/www/
has how to and todo instructions on making ones...