Trash to Coal Comments for Trash to Coal at http://www.ecogeek.org , comment 1 to 1 out of 1 comments http://www.ecogeek.org Mon, 22 Mar 2010 09:48:06 +0100 FeedCreator 1.7.3 No such thing as free energy http://www.ecogeek.org/ecogeeks/136#comment-589 How much energy does it take to produce? - a guest Sat, 22 Jul 2006 02:28:06 +0100