Dipl.-Ing. Dr. techn. Manfred Klell was Professor for Applied Thermodynamics at Graz University of Technology and CEO and scientific director of HyCentA Research GmbH, the Austrian research center for hydrogen in Graz. Univ. Prof. Dipl.-Ing. Dr. techn. Helmut Eichlseder is Professor for Internal Combustion Engines and Thermodynamics and head of the Institute of Thermodynamics and Sustainable Propulsion Systems of Graz University of Technology.Dipl.-Ing. Dr. techn. Alexander Trattner is CEO and scientific director of HyCentA Research GmbH, the Austrian research center for hydrogen in Graz. Moreover, he is lecturer and researcher at Institute of Thermodynamics and Sustainable Propulsion Systems of Graz University of Technology.

• Energy Revolution and Hydrogen Economy.- Historical Notes.- Fundamentals.- Production.- Storage and Transport.- Fuel Cells.- Internal Combustion Engines.- Further Applications.- Materials, Law and Safety.