Here is one idea to recover methane.
http://www.outsideonline.com/news-from-the-field/Cow-Fartpacks-Are-Here.html
I suppose it's better than this outcome.
http://news.yahoo.com/flatulent-cow...-192159601.html;_ylt=AwrBEiJ4tOZSCg0AkrjQtDMD
http://www.outsideonline.com/news-from-the-field/Cow-Fartpacks-Are-Here.html
I suppose it's better than this outcome.
http://news.yahoo.com/flatulent-cow...-192159601.html;_ylt=AwrBEiJ4tOZSCg0AkrjQtDMD