... Biofuels can replace wood, coal, liquefied natural gas, are widely used for life ... dust, corn stalk, wheat stalk, cotton stalk, rice straw, rice husk, peanut shell, corncob, bark, leaves, ... green fuel with high energy, which raw material is straw, stalk, bark, industry waste, ect, crushed ... fertilizerApplication area of charcoal: (the market of straw charcoal)can replace firewood, raw coal, liquefied gas ...