Xuelin Tian (IMAGE) Concordia University Caption Cooperation among municipal transit agencies, the bus manufacturers and the power companies is essential, says primary author Xuelin Tian. Credit Concordia University Usage Restrictions None License Original 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.