Viktor Hacker (IMAGE) Graz University of Technology Caption Pushes the development of technologies for the production of green hydrogen: Viktor Hacker from the Institute of Chemical Engineering and Environmental Technology at TU Graz. Credit Frankl - TU Graz Usage Restrictions may only be used when citing the source "Frankl - TU Graz" License Original content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.