Biofuel is a clean fuel affordable, sustainable and reliable, available locally, which is obtain ned from renewable sources. Biomass fractions that have been used and are still enjoying renewed attention as a feedstock far the production of liquid biofuels from agriculture, such as lipids (oils and fats), simple sugars and polysaccharides sources.Biodiesel include alkyl esters (methyl, ethyl or propyl) obtained by chemical reaction of fat y acids from renewable plant or animal origin, with an alcohol. Biodiesel is an alternative fuel, clean combustion, the fassil diesel. Chemically, biodiesel comprises alkyl esters instead of alkanes and aromatic hydrocarbons of petroleum diesel.Today the white gear (Jatropha curcas) has pleasantly surprised the researchers from several countries, not only because of their agronomic characteristics, such as drought resistance and growth even in poor soil...