Offshore Turbines (IMAGE) University of Delaware Caption Offshore wind turbines have been a successful source of sustainable energy in Europe since 1991, but offshore wind is a 'missed opportunity' in the United States, according to researchers at the University of Delaware's Center for Carbon-Free Power Integration. In a paper for the Proceedings of the National Academy of Sciences, they argue for changes in outdated policy and a new focus for research. Credit Andy Dingley/University of Delaware Usage Restrictions Must credit University of Delaware 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.