From City Pioneer to Intercity Frontier
Zero emission buses have already transformed many city fleets, and attention is now shifting to longer-distance services. That pivot was the focus of the Sustainable Bus Tour session at Bus2Bus, titled “From city to intercity: the next step for zero emission bus transition.” Panelists from ICCT, Keolis, Iveco Bus, BYD Europe and Otokar described how electric intercity buses and coaches are moving from pilots to serious procurement, even though diesel still dominates this segment. According to ICCT, zero-emission buses and coaches reached around a quarter of total EU sales in 2025, but city buses account for most of that progress while roughly 79% of new intercity registrations still use conventional powertrains. This gap is exactly why battery electric coach and hydrogen fuel cell bus technologies are now in the spotlight. The session framed intercity electrification as the crucial “next frontier” for cutting transport emissions beyond dense urban cores.
Why Long-Distance Is Harder to Decarbonise
Electrifying intercity routes is technically and operationally tougher than converting urban lines. Intercity services feature longer routes, higher average speeds and extended duty cycles, so range and autonomy for electric intercity buses become critical constraints. Panelists stressed that for these routes, vehicle characteristics such as battery capacity and real-world range end up defining the service design itself, rather than the other way around. Charging and refuelling are also more complex. Unlike city depots with predictable overnight charging, intercity networks rely on dispersed depots and layover points, often serving dual-use vehicles that handle school runs, charter work and scheduled lines. Megawatt charging systems were highlighted as potential game changers, allowing fast turnaround times that more closely mimic diesel operations. Operators therefore face a delicate balancing act: sizing batteries, planning intermediate charging, and deciding where hydrogen fuel cell buses might be better suited to very long or flexible routes.
Policy Pressure and Market Signals
Regulation is rapidly tightening around long-distance coaches, pushing the market towards zero emission buses even as diesel remains prevalent. ICCT’s presentation at Bus2Bus outlined CO₂ standards that mandate a 100% zero-emission target for urban buses by 2035 and a 90% emissions reduction requirement for intercity buses and coaches by 2040, enforced through fleet-average compliance mechanisms. This bus electrification policy framework effectively signals the end-game for fossil-fuel coaches. Panelists noted that funding mechanisms are evolving. Early urban deployments leaned heavily on public subsidies, but the next phase for intercity electrification will rely more on manufacturer strategies, leasing and financing tools. BYD Europe, for example, is coupling vehicle supply with integrated financing and leasing solutions to support small and mid-sized operators that lack deep capital reserves. As subsidies recede, regulations, OEM offerings and private finance will increasingly shape which technologies—battery electric coach platforms, hydrogen fuel cell buses, or mixed fleets—gain traction.
Rewriting the Business Case for Operators
For operators, the shift to electric intercity buses is as much about economics as about emissions. Cost frameworks differ from traditional urban public transport, because intercity markets are fragmented and rely heavily on small and medium-sized companies. These operators juggle multiple service types and short-term contracts, so vehicle lifecycles can easily outlast specific tenders. Otokar highlighted demand for coach configurations that can be adapted over time to different uses, helping protect investments. As diesel loses regulatory favour, operators are reassessing total cost of ownership, factoring in lower energy and maintenance costs promised by battery electric coach fleets and hydrogen fuel cell buses. Keolis emphasised that electrification flips the usual planning logic: range, charging opportunities and fleet utilisation now drive route design, depot locations and timetable buffers. OEMs like Iveco Bus are responding with technology-neutral portfolios, offering everything from diesel and CNG to mild hybrid and full battery-electric across intercity platforms to match varied business cases.
Passenger Experience and the Wider EV Ecosystem
For passengers, zero emission buses promise quieter, smoother travel on long-distance routes. The absence of engine noise and vibration can make multi-hour journeys more comfortable, while the onboard electric power supply opens up new possibilities for amenities—from more reliable charging sockets to future high-demand services that benefit from stable, clean energy. However, perceived reliability remains a hurdle: travellers and operators alike worry about range, weather impacts and charging availability on sparsely served corridors. As electric cars, e-bikes and other micromobility options spread, electric intercity buses fill a crucial middle layer in the low-carbon mobility stack. They provide high-capacity, long-distance connections that complement individual EV travel rather than compete with it. The Sustainable Bus Tour discussion underscored that decarbonising intercity and coach networks is essential if societies are to offer credible, seamless alternatives to fossil-fuel car and air travel—connecting cities, towns and rural areas without relying on diesel.