Energy | COGENERATION RANKING AND RESULTS BY 2050 #50 3.97 GIGATONS REDUCED CO2 $279.3 BILLION NET COST $567 BILLION NET SAVINGS      U.S. coal-fired or nuclear power plants are about 34 percent efficient in terms of producing electricity, which means two-thirds of the energy goes up the flue and heats the sky. All told,... Continue Reading →