
Line 423 becomes a “high flyer”: with hydrogen from Bensberg to Cologne Bonn Airport
January 11, 2020 | 4 min read January 11, 2020 | 4 min readSwitching and emission-free. With these two catchwords, one could briefly describe the new offer, which was decided by the Rheinisch-Bergischer Kreis (RBK), the city of Cologne and the transport company Regionalverkehr Köln GmbH (RVK) and presented today.