Methane Bio-digesters
Revision as of 03:42, 2 February 2013 by Jason Fields (talk | contribs)
How To Build a 100 Cubic Foot a Day Methane Gas Plant: Instructions on how to build an underground plant to digest and produce methane to be used as a renewable energy source.
http://www.motherearthnews.com/renewable-energy/methane-gas-zmaz71ndzgoe.aspx