REVG deploys 26 Solaris fuel cell buses in Cologne region, Germany July 14, 2025 | Europe News, News Rhein-Erft-Verkehrsgesellschaft mbH (REVG) has deployed 26 Solaris Urbino 12 fuel cell buses in Rhein-Erft district near Cologne. The fuel cell hybrid buses have been equipped with a 70 kW hydrogen fu... This content is available to only subscribers. Username or E-mail Password Remember Me Forgot Password