A photo taken on October 23, 2012 in Morsbach, western France, shows waste food products stocked at the Methavalor factory to produce methane before conversion into a biogas fuel for the GNVert company, a subsidiary of French energy GDF Suez group. AFP PHOTO / JEAN-CHRISTOPHE VERHAEGEN (Photo credit should read JEAN-CHRISTOPHE VERHAEGEN/AFP/Getty Images)
