OSOD Prototype (IMAGE) Graz University of Technology Caption A prototype of the OSOD H2 generator is currently being tested on the premises of PDC Verfahrenstechnische Entwicklungsgesellschaft m.b.H. in Raaba-Grambach, Styria. Credit © RGH2 Usage Restrictions free of charge for editorial purposes. The use of the photos is only permitted provided that the source is cited in full together with TU Graz. The use of the photos for advertising purposes by institutions not affiliated with TU Graz is only possible upon request. License Licensed 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.