Copper Catalyst (IMAGE) DOE/Lawrence Berkeley National Laboratory Caption Researchers at Berkeley Lab and the Joint Center for Artificial Photosynthesis have demonstrated that recycling carbon dioxide into valuable chemicals such as ethylene and propanol, and fuels such as ethanol, can be economical and efficient -- all through product-specific 'active sites' on a single copper catalyst. Credit Joel Ager and Yanwei Lum/Berkeley Lab Usage Restrictions Credit Joel Ager and Yanwei Lum/Berkeley Lab 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.