1. Sailasuta S. Thailand energy policy. In: APEC symposium on foresighting future fuel technology, Chiangmai, Thailand; 2005. .
2. DEDE (The Department of Alternative Energy Development and Efficiency). Renewable energy in Thailand: ethanol and biodiesel, The Department of Alternative Energy Development and Efficiency, Ministry of Energy; 2004.
3. ISO Environmental Standard ISO 14040, Environmental Management-Life Cycle Assessment-Principles and Framework; 1997 [Retrieved 05.01.06].
4. An overview of biodiesel and petroleum diesel for use in an urban bus;Sheehan,1998
5. Kreucher WM. Economic, environmental and energy life-cycle inventory of automotive fuels. SAE paper number 982218;1998.