Fuel Oil is a medium Black colored fuel, either distilled or residual fraction of various oils that is extracted while distillation. This fuel is free flowing in nature. Fuel Oil is widely used by various industries in their manufacturing activities for the purpose of generation of heat and power. The Fuel Oil consists of Medium length chains of hydrogen and carbon mainly alkanes, cycloalkanes, aromatics and oils. Basically Fuel Oil is termed for medium commercial extracts from crude oil. Fuel Oil is largely an industrial fuel. It acts as a key ingredient in the generation of electricity and heat in a number of production units. It has been used since a long time for such purposes and has gained much importance and inevitable value.