Trials completed on Irizar i6S Efficient Hydrogen coach in Spain and France April 17, 2025 | Europe News, News Trials on the Irizar i6S Efficient Hydrogen coach have been completed. The bus covered 2,500 km between the cities of Ormaiztegi, Spain and Briançon in the French Alps. The bus covered 900 km in a sin... This content is available to only subscribers. Username or E-mail Password Remember Me Forgot Password