1. Life cycle assessment of palm oil biodiesel production in thailand
Sate Sampattagul, Pranee Nutongkaew and Tanongkiat Kiatsiriroat

2. Influence of injector opening pressures on the performance, emission and combustion characteristics of di diesel engine running on calophyllum inophyllum linn oil
B.K.Venkanna and C.Venkataramana Reddy

3. Average photon energy under thailand’s climatic condition
Chattariya Sirisamphanwong, Nipon Ketjoy, Wattanapong Rakwichain and Sarayooth Vaivudh

4. Technique of increasing brightness sensation in lighting design
Anake Teeraviwatchai

5. Velocity and temperature distribution of flowing water in a solar parabolic trough receiver
Arpakorn Wattana, Wattanapong Rakwichian, Wannee Ekasilp and Ammata Tusnapucki

6. Alternative utilizations of photovoltaic modules from solar home system, thailand
Gunn Panprayun, Nipon Ketjoy, Wattanapong Rakwichian and Prapita Thanarak