fuel,heatofcombustion Petroleum Coke,34.2 Diesel,43.3 Heavy Fuel Oil,41.0 Methane,50.0 Bituminous Coal,31.3 Subbituminous Coal,31.3 Propane,27.2 Light Fuel Oil,43.6 Natural Gas,47.7 Lignite,22.0 Wood,15.0