is between 12% and 19%. A steam turbine can increase the efficiency by up to 24%. The unit can be used for cogeneration. See also Glossary of fuel cell terms Hydrogen technologies References Sources https://web.archive.org/web/20060927032111/http://www.eere.energy.gov/hydrogenandfuelcells/fuelcells/fc_types.html#molten External links LLNL: The Carbon/Air Fuel Cell Conversion of Coal-Derived Carbons DoD MTU 240kW fuel cell presented on the Hannover Fair 2006 Logan Energy Limited integrate, install and operate all fuel cell technologies molten carbonate fuel cells distributed generation challenge presentation to Fourth Annual Conference on Carbon Capture and Sequestration Fuel cells ko:연료전지#용융탄산염 연료전지 (Molten Carbonate Fuel Cell, MCFC)