ecomike...i appreciate your posts! Some follow up info on the fuel cell aspect of energy from gases.
"Fuel cells are fast replacing reciprocating engines and gas turbines as the most environmentally-friendly sources of on-site power.
Carbonate fuel cell power plants can utilize many fuel sources, including:
Natural gas Industrial and municipal wastewater treatment gas Propane Coal gas
FuelCell Energy has operated Direct FuelCell® (DFC®) stacks of varying sizes on all of these fuels. This fuel flexibility presents specific customers with attractive, value-added self-generation options. For instance, the methane produced in the anaerobic digester process can fuel the DFC plant and generate electricity, thus making the fuel cell a renewable energy source."