Wooden Materials:log, tree branch, wood chips/bricks/blocks, wood shavings, sawdust, white/Korean pine wood, paulownia, poplar, white/red oak tree, pinus sylvestris, eucalyptus, beech, spruce, palm tree, palm fiber, palm empty fruit bunches (efb) etc;
Agricultrial Wates: Sugarcane bagasse, rice husk, corn stalk, pineapple peel, rape straw, paddy straw, hemp straw, cotton rod, corn cob, peanut shells, groundnut hull, coffee husk, sunflower seed husk, oat husk, coconut shell, coir pitch, etc.
Energy Plant: Elephant grass, nipier grass, merker grass, pennisetum, bamboo