Biogas: more profit from heat and cooling power

EuroTier 2008, held in Hanover, Germany, last November, did not only feature a lot of innovations in animal husbandry. Several halls were occupied by BioEnergy Europe, where the latest developments on biogas in agriculture could be learnt. An important show, since growing numbers of European pork producers are moving into the renewable energy market.   Biogas production on pig farms throughout Europe is beginning to take a new direction. Most manure-fed fermenters have so far concentrated o