Example image of eyePlorer eyePlorer map for 'Cogeneration': Electricity Heat Heat engine Power station Energy recycling Cooling tower Electricity generation Flue gas Distributed generation District heating Europe Heating Scandinavia Consolidated Edison Manhattan United States Amory Lovins Recycled Energy Development Tom Casten Absorption refrigerator Trigeneration Fuel Thermal efficiency Waste heat Coal Natural gas Petroleum Uranium Carnot's theorem (thermodynamics) Second law of thermodynamics Combined cycle MHD generator Gas turbine Enhanced oil recovery Kern County, California Los Angeles Desalination Gas engine Steam Steam turbine Molten carbonate fuel cell Reciprocating engine Stirling engine Biomass Incineration Municipal solid waste Thomas Edison Sean Casten Public Utility Regulatory Policies Act Micro combined heat and power