Solaris Bus & Coach's collaboration with RVK is redefining the standards of sustainable transport. Olivier Michard, Solaris board member responsible for sales, marketing, and after-sales, highlights the remarkable progress of the Cologne and Bonn region as a European leader in hydrogen technology adoption. The partnership's journey, initiated with the 2020 order of Solaris vehicles, is paving the way for a future where hydrogen technology plays a pivotal role in European public transport.