Biofuel is extracted from plants as ethanol transparent colourless liquid characterized with special odour and speed great flare. The present research problem represents in the global demand for agricultural food products where grains is the most important specially wheat, corn, sugar crops and vegetable oils used for extract ethanol and biodiesel. This global demand is the most important factor supporting the upward trend in prices; especially the two largest producers and exporters of these grains are the United States and Brazil.