The raw material used for making fuel pellets is called biomass. Biomass is any living or recently dead material that can be used as fuel.There are a wide range of raw materials which can be made into biomass pellets, including wood sawdust, chips, shavings, branches, logs, palm EFB, palm fiber and stalks, straw, rice husk, peanut shell, sunflower seed shell, bamboo, bagasse, mushrooms residue, cotton residue, grass, cassava residue,etc.