combustion process and achieve zero co emission. biomass energy will gradually replace coal and become one of the main energy sources. biomass fuels include straw, wood shoots, bamboo wood processing waste, grain shell skin, fruit shells, sugar residue, oil residue, and so on.compared with coal-fired boilers...
home saving money on gas fuel efficient & alternative fuel vehicles national labs energy.gov offices heat & cool home cooling systems air conditioning evaporative coolers fans radiant cooling ventilation for cooling whole-house fans home heating systems active solar electric resistance furnaces & boilers...