DB and Siemens Mobility to conduct hydrogen train trials in Baden-Wurttemberg, Germany November 23, 2020 | Europe News Deutsche Bahn (DB) and Siemens Mobility have announced plans to conduct hydrogen train trials in the state of Baden-Württemberg in 2024. The 12-month-long trial will be conducted between Tüb... This content is available to only subscribers. Username or E-mail Password Remember Me Forgot Password