New Engery Source - Sewer

Do you know that there is new energy source which is sewer? See the following. So no need to grow Kyet-su Pin which takes a lot of valuable farm land.

http://www.bloomberg.com/video/sewage-derived-hydrogen-fuel-sparks-global-interest-sBEZgbVcRvOepfDcWSRluw.html

Click on above link