Maine Center for Bio-technology
      			
      Petr Paucek, Ph.D. is a Czech. bio-scientist with a wide range of affiliations ranging from John Hopkins Medical School
         to the Sherbrooke Bio-Technology Park in Canada. Petr has an extremely well equipped lab for doing research on microbs and
         enzymes/bio-catalysts. 
      
      			
      Petr's home page
      			
      Penn. State University Dept. of Agricultural and Biological Engineering has pioneered vertical tank digesters for cold
         weather--as a graduate of Penn. State I can vouch for the cold winters in State College. 
      
      PENN STATE BIOGAS web portal.
      The American Biogas Alliance
      			
      		
      Small Farm Digesters, Minnesota Project
      Methane-to-Markets global alliance
      GLOBAL ENERGY BIOMASS gassifiers from INDIA