In this era of new technologies and industrialization, there is always an increasing demand for fuel, especially for transportation. But the natural sources of these fuels are limited. In many countries, Thailand for example, there is already scarcity of fuels and their rate of energy dependency increases. As a solution, the Thailand’s government declared a countrywide campaign in 2003 to promote production and usage of bioethanol by producing local ethanol from renewable agricultural raw material such as sugarcane and cassava (Suksri, et al, 2007).