... saving and environmental protection equipment2.Alternative fuel gas,Boiler of biomass with Biomass pyrolysis gas engine is multi-functional ... saving machine. Notable features: 1: the grain and agricultural biomass (rice straw, wheat straw, corn stalks, corn cobs, ... , wood shavings, bamboo powder, sawdust ... ...) and other waste as fuel. 2: no CO2, SO2 and other harmful gases, environmental protection ...