Hydrogen buses in Poznan have been temporarily withdrawn due to diagnostic faults - Sustainable Bus
Briefly

MPK Poznań has temporarily withdrawn 14 of its hydrogen buses due to detected faults in the onboard systems, likely linked to poor fuel quality. The decision was made urgently to ensure safety, and Solaris is investigating the issue. The buses were part of a pilot project aimed at emissions reduction, and the situation affects 14 of the 25 Solaris Urbino 12 Hydrogen buses, with further orders planned. Despite this setback, the European market for fuel cell buses is growing, with an 82% increase in registrations from the previous year.
"We would like to inform you that we were forced to bring back to the depot all hydrogen-powered Solaris Urbino 12 Hydrogen buses, in which the on-board computers signalled a breakdown today in the afternoon hours."
"The most likely cause of the malfunctions in several hydrogen buses in Poznań is poor fuel/hydrogen quality. This is currently being clarified and checked in independent laboratories examining hydrogen samples from the station that supplies the fuel."
Read at Sustainable Bus
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