They signaled the failure, all hydrogen buses were withdrawn. Initial cause

Installation of the installation of several dozen Poznań hydrogen buses is underway – this is the result of a failure that occurred at the beginning of March. Some vehicles already make connections. Preliminary studies have confirmed that hydrogen pollution could have occurred.

At the beginning of March, the Miejskie Przedsiębiorstwo Komunikacji in Poznań brought several hydrogen buses to the depot. Reason: On -board computers signaled the failure. A decision was made to temporarily withdraw the entire hydrogen -driven fleet – 25 buses. The causes of the fault were leaned with: Solaris – bus producer and Orlen – fuel supplier.

“We assume that the situation was incidental”

The results of the fuel expertise, which Orlen commissioned. – Preliminary studies have confirmed that hydrogen pollution could have occurred in the production and logistics process. Currently supplied hydrogen meets all standards. Fuel is systematically delivered to points, and buses are successively restored to traffic. After the end of routine cleaning of the tanks, standard refueling at Orlen stations will be restored – said Mateusz Witczyński, spokesman for Orlen.

Witczyński reminded that Orlen has been providing hydrogen fuel for public transport in Poznań since June 2024, and in Poland since 2022 – so far we have not had any signals related to its quality. We assume that the situation was incidental, and the introduction of additional fuel quality testing standards will help avoid similar events in the future – added the spokesman.

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What about buses?

As reported by the Municipal Transport Company in Poznań, hydrogen buses are successively delivered to the manufacturer's workshops. – Installation is reviewed. It is also cleaned of the remains of this contaminated hydrogen. Then buses return to us to the depot and if it is possible, they are launched to normal line courses. In the meantime, we are looking at these vehicles to know if there have been any other long -term faults – pointed out Maciej Szkudlarek from MPK Poznań.

Several buses have already returned to the streets of Poznań. – We will apply to the Orlen company regarding the calculation of contractual penalties for failure to comply with the contract. Due to the supply of this contaminated hydrogen. The conversations are ongoing, everything is on the right track – added Szkudlarek.

Orlen spokesman also confirmed that the talks were ongoing and, as he assured, “in a good atmosphere”. – We are in constant contact with MPK Poznań, and the talks are taking place in a good atmosphere and aim to develop a satisfactory solution enabling further effective business cooperation – he added.

“Part of the fuel may not meet the standards”

With a similar problem with They reported hydrogen buses on March 4 Media in Wałbrzych. The Miejski Zakład Usług Komunalnych then withdrew 6 out of 14 hydrogen buses. In social media, the initial cause of the failure was immediately determined. There it was also indicated that “part of the fuel could not meet quality standards.”