Hydrogen technology, production and conversion, Thermal- steam reformation, thermo- chemical, water splitting, nuclear thermos catalytic and partial oxidation methods, Electrochemical- Electrolysis, photo-electrochemical, Biological- anaerobic digestion, Hydrogen economy and financial market opportunities, Fuel cells, characterization, life cycle sustainability assessment (LCSA), recycling and eco-design, Thermodynamics of fuel cells: thermodynamic potential, reversible cell potential, effect of operating conditions on reversible cell potential (Nernst potential), energy conversion efficiency, losses in energy conversion, Hydrogen and fuel cells for mobility applications & vehicles, Distribution & grid infrastructure, Storage and carbon capture, safety, Government policies- worldwide, hydrogen as part of a climate neutral strategy, national hydrogen mission, Case studies.