Fig. 1 (IMAGE) Osaka University Caption The concept of this work. Direct use of crude hydrogen gas for catalytic hydrogenation of unsaturated molecules. Credit Y. Hoshimoto Usage Restrictions Credit must be given to the creator. 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.