Dr. L. M. Das, Professor Emeritus at Indian Institute of Technology Delhi, India, was a Visiting Professor at the University of California, Riverside, USA. He worked in various global research assignments in the USA, UK, Portugal and France. He successfully completed several sponsored projects of UNIDO, Shell (England) and Government of India (Ministry of New and Renewable Energy & Ministry of Science and Technology). He is the recipient of several awards: Lockheed Martin Award (2012), Outstanding Service Award by International Association of Hydrogen Energy (2013), T.N. Veziroğlu Award (2013); Biju Patnaik Award for Excellence in Science (2014), Life Time Achievement Award by ISEES (2015). As an author, he has contributed several chapters to books published internationally.