Firewood; Carburants; Wood spills for lighting fires; Wood briquettes; Wood chips for smoking and flavoring foods; Combustible oil; Coal briquettes; Ethanol (fuel); Charcoal (fuel); Vaporized fuel mixtures; Fuel gas; Wood chips for use as fuel; Coal dust (fuel); Coal based fuels; Fuel; Biomass fuel; Xylene fuel; Fuel briquettes; Charcoal based products for use as a fuel; Fuels