solid fuel
solid material that can be burnt to release energy
wood pellet
biofuels made from compressed organic matter or biomass
coke
a grey, hard, and porous fuel with high carbon content and few impurities
meat and bone meal
type of animal product
firelighter
small solid fuel tablets used to start a fire
firewood
wood used for fires
charcoal
fuel
char
solid material forming during the initial stage of combustion of a carbonaceous material
solid rocket propellant
solid form of rocket propellants
coal
combustible sedimentary rock composed primarily of carbon
dry animal dung fuel
animal feces that has been dried in order to be used as a fuel source