CaetanoBus and Toyota to supply hydrogen buses in Vienna, Austria March 1, 2024 | Company News, Europe Company News, Europe News, News Wiener Linien has awarded a contract to a consortium of CaetanoBus and Toyota to supply 10 hydrogen H2.City Gold buses in Vienna. The buses will be deployed on Line 39A between Heiligenstadt and Sieve... This content is available to only subscribers. Username or E-mail Password Remember Me Forgot Password