Mehdi Mehrpooya is employed as Full Professor at University of Tehran, Faculty of New Sciences and Technologies. For the past decade as a faculty member, he has participated in teaching and administration duties as well as conducting countless novel research both experimentally and theoretically in several areas. Including process simulation, hydrogen production, storage, and liquefaction, fuel cells and electrochemical systems, energy storage systems and batteries, developing process engineering of several biochemicals production, CO2 separation and reduction, and investigating sustainability though utilization of renewable resources in the process especially by adopting solar energy.Majid Asadnia is an assistant professor who works in the Mechanical Engineering Department, Faculty of Engineering at Kar Higher Education Institute, Iran. He is also working for the Iranian Oil Pipelines and Telecommunication Company. Majid's favorite fields of research are gas liquefaction systems, exergy analysis, energy consumption management, and integrated management systems.Amir Hossein Karimi works in the Renewable Energies and Environment Department, Faculty of New Science and Technologies, at the University of Tehran, Iran.Ali Allahyarzadeh-Bidgoli is a senior researcher at the Laboratory of Environmental and Thermal Engineering and the Research Centre for Greenhouse Gas Innovation at the Polytechnic School of the University of São Paulo, Brazil. He has experience in thermal engineering with knowledge in synthesis, optimization, and management of GHG emissions, renewable and hybrid energy systems, including energy integration and cryogenic process, which resulted in more than 40 technical contributions to books, journals, and international conferences.