Siemens completes trials on hydrogen train in Bavaria, Germany September 14, 2023 | Company News, Europe Company News, Europe News, News Siemens Mobility has completed the first trials on its two-car Mireo Plus H hydrogen multiple unit (HMU) in Bavaria. The HMU will be deployed on Transdev-run Bayern Regional Rail (BRB) routes between ... This content is available to only subscribers. Username or E-mail Password Remember Me Forgot Password