Saving Energy and Costs (IMAGE) University of Alberta Caption UAlberta mechanical engineering professors Marc Secanell and Pierre Mertiny have discovered definite advantages to using flywheel technology in light rail transit. Credit Richard Cairney/UAlberta Engineering Usage Restrictions Use with story or link to story. 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.