Hydrates (IMAGE) American Chemical Society Caption Gas hydrates, known as "ice that burns," may provide a clean, sustainable fuel source in the future. Credit J. Pinkston and L. Stern/US Geological Survey Usage Restrictions None 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.