Core participant in both JIVE and JIVE 2, the flagship EU deployment programmes for fuel cell buses in daily passenger service.
REGIONALVERKEHR KOLN GMBH
German regional bus operator running one of Europe's largest hydrogen fuel cell bus fleets in daily commercial service around Cologne.
Their core work
RVK is a regional public transport operator serving the Cologne area and surrounding Rhineland counties, running daily bus services across the region. They have become one of Europe's earliest and largest real-world operators of hydrogen fuel cell buses, converting diesel lines to zero-emission hydrogen operation at full depot scale. Their contribution to EU projects is operational: they buy, run, refuel, and maintain hydrogen buses in commercial service, producing the reliability, cost, and infrastructure data that other cities rely on before following suit.
What they specialise in
JIVE and JIVE 2 focus on replacing diesel bus lines with zero-emission hydrogen vehicles at commercially relevant scale.
Operating fleets of this size under JIVE and JIVE 2 requires depot-based hydrogen refuelling and supply logistics.
As a regional transit operator, RVK brings real route networks and timetables into the JIVE trials, not test tracks.
How they've shifted over time
With only two projects, both focused on hydrogen fuel cell bus deployment and both signed in consecutive years (JIVE in 2017, JIVE 2 in 2018), there is no meaningful shift in topic. Instead, the trajectory is one of scale-up: JIVE established the initial fleet and refuelling base, while JIVE 2 extended the rollout with additional vehicles and sites. RVK has doubled down on the same mission rather than diversifying.
RVK is consolidating as a reference operator for hydrogen public transport, which makes them a natural partner for any project on heavy-duty H2 mobility, depot refuelling, or zero-emission regional transit.
How they like to work
RVK joins as an operational participant rather than a coordinator, contributing a live bus network to large multi-country consortia built around the JIVE programme. Both of their projects sit inside the same consortium family, with 53 distinct partners across 15 countries — they are loyal to a specific European hydrogen-mobility community rather than jumping between unrelated networks. Partners working with them get a disciplined transit operator focused on making vehicles and refuelling work in daily service, not a research lab.
Across JIVE and JIVE 2 they share consortia with 53 unique partners spanning 15 countries, overwhelmingly within the European hydrogen mobility ecosystem of bus manufacturers, gas suppliers, and other city operators. The geographic centre of gravity is Western and Northern Europe.
What sets them apart
Most participants in hydrogen mobility projects are vehicle manufacturers, energy companies, or research institutes — RVK is one of the few actual bus operators putting fuel cell vehicles into daily revenue service at scale. For anyone designing heavy-duty hydrogen technology, partnering with RVK means access to real duty cycles, real passengers, and real winter operation in the Rhineland, not a demonstration loop. For cities planning their own transition, RVK is a live reference site they can visit and copy.
Highlights from their portfolio
- JIVELargest project in their portfolio at EUR 6.8M and the foundational EU programme for deploying fuel cell buses across Europe, placing RVK among the pioneering operators.
- JIVE 2Follow-on deployment that extended the hydrogen bus rollout to more cities and fleets, confirming RVK's long-term commitment to zero-emission operation.