(SeeNews) - Jun 4, 2012 - German Verbio Vereinigte BioEnergie AG (ETR:VBK) plans to invest EUR 50 million (USD 62.1m) in 2012 and 2013 in the expansion of its biomethane plants Zoerbig and Schwedt in Germany, DPA-AFX reported citing a statement of CEO Claus Sauter at the annual general meeting.