Solar water heating related links:

     US Department of Energy on solar water

     Science Daily benefits of solar water heaters

      ABC's of Solar hot water

      Distributed Energy Journal

      US EPA Site

     Informative article on benefits of CHP

     Energy Vortex CHP article

     Sate of New York CHP program

     Waste heat driven refrigeration

     Cogen Works

     University of Mass Combined Heat and Power    

     Other interesting links:

     Electric Motor Sports

     Waste vegetable oil as fuel