Several sources indicate that wood is the most widely used domestic fuel. Hall et al. (1982) reported that about half of the world’s population cooks with biomass fuel for all or some of their meals. The dependence on fuel wood by the rural dwellers of most developing countries including Nigeria is estimated at about 100%, while the annual consumption of fuel wood in Nigerian is estimated at about 70 million cubic meters. FAO has estimated that about two million people around the world use wood stove for their domestic cooking and for keeping their surroundings warm. The large preference for wood as fuel is predicated upon the fact that apart from wood and coal the other primary non-renewable sources of energy such as petroleum, natural gas and liquefied natural gas are no longer easy to come-by in terms of cost and availability. The lifetime for these