Bologna begins operation of Solaris hydrogen buses as part of 127-vehicle zero-emission fleet programme, Italy May 30, 2026 | Europe News, News Trasporto Passeggeri Emilia-Romagna (TPER) has commenced passenger operations with its first hydrogen-powered buses in Bologna following the completion of the authorisation process for the hydrogen re... This content is available to only subscribers. Username or E-mail Password Remember Me Forgot Password