White coal or White coal Briquettes is a form of fuel produced by drying chopped wood over a fire. It differs from charcoal which is carbonised wood. It produces more heat than green wood. Nowadays white coal is made from Groundnut shells, Cotton hulls and salks, Castor seed shells, Forest leaves; wood chips and shavings, Sugarcane bagasse, Rice husk and paddy straw, Mustard waste, Coir dust, Coffee husk, Sunflower waste, Maize stalks, Bajra cobs, Sesame seeds oil cake, Wheat straw, etc.