Part I: Sustainability and Technical Challenges 1 Fermentable Sugars from Ligno-cellulosic Biomass: Technical Challenges Ravichandra Potumarthi, Rama Raju Baadhe and Sankar Bhattacharya 2 Sustainability Assessment of Palm Biodiesel Production in Thailand Thapat Silalertruksa and Shabbir H. Gheewala Part II: Pretreatment Technologies 3 Progress in Physical and Chemical Pretreatment of Lignocellulosic...