Liquid Natural Gas Tanker and Pipeline (IMAGE) Swansea University Caption 30% of the UK's natural gas could be replaced by hydrogen, cutting carbon emissions, Swansea University researchers have shown. Credit Swansea University 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.