Fuels are the combustible substances containing carbon, hydrogen as the main constituents. The biomass consists of these carbonaceous materials as the chemical form. In this recent new era when we are facing short listing of conventional fuels, a substitute is urging. Newer inventions and research works are being carried out by various agencies. The biofuel concept is found much helpful, sustainable and environmental friendly. Some members of Euphorbiaceae, some algal species, sugarcane, residues and sugar beet are remarkable in this field. Biomass has been used for energy purposes ever since man discovered fire. With the evolutionary trend man discovered the conventional fuels and started its consumption. The over consumption of these fuel...