... environment. The awareness of using Eco friendly & Non conventional Bio coal / Bio fuel is increasing day to day due to the ... forestry waste and forest waste can be used for make briquettes Such as maize stalks, soybean stalks, broomcorn stalks, cotton ... stalks, rape stalks, peanut plants, sunflower stalks, bamboo sawdust, bagasse , wood chips, rice husk, coffee husk, coir pith, jute sticks, groundnut ...