Prof.Dr. Ibrahim Dincer is a Professor at Ontario Tech. University in Oshawa, Canada. Renowned for his pioneering works in the area of sustainable energy technologies he has authored/co-authored many books and book chapters, along with many refereed journal and conference papers. Prof. Dincer has chaired many national and international conferences, symposia, workshops and technical meetings, and he has delivered many keynotes and invited lectures. During the past nine years he has been recognized by Thomson Reuters as one of the Most Influential Scientific Minds in Engineering and one of the most highly cited researchers. During the past 25 years Prof. Dincer’s research and activities have been diverse and primarily focussed on sustainable energy solutions, sustainable communities and cities, district energy systems, green buildings, renewable energy technologies, energy storage technologies, hydrogen energy technologies, and waste to energy technologies. His group has developed various novel technologies for commercialization. He is known for his engineering education related talks as a committed educator. Dr. Dogan Erdemir is an active researcher working in Prof. Dincer’s group in Clean Energy Research Laboratory and developing technologies at Ontario Tech. University in Oshawa, Canada.