different types of solid fuels
Solid fuel refers to various types of solid material that are used as fuel to produce energy and provide heating, usually released through combustion.Solid fuels include wood (see wood fuel), charcoal, peat, coal, Hexamine fuel tablets, and pellets made from wood (see wood pellets), corn, wheat, rye and other grains.he use of other solid fuels such as wood is increasing as heating technology and the availability of good quality fuel improves. In some areas, smokeless coal is often the only solid fuel used.