A GLOBAL FIRST:Coal Mine Turns Greenhouse Gas into ‘Green Energy’ Using MEGTEC Systems’ Patented VAM Technology. De Pere, WI, USA – May 20, 2008 – “Coal mines are one of the largest single emitters of methane gas,” states Richard Mattus, Business Manager for the VAM project at MEGTEC. “And among greenhouse gasses, methane (CH4) is second only to carbon dioxide (CO2) in global impact,” “In fact,” …