EN 17124:2026 Hydrogen fuel -- Product specification and quality assurance for hydrogen refuelling points dispensing liquid or gaseous hydrogen -- Proton exchange membrane (PEM) fuel cell applications for vehicles

This standard which replaces EN 17124:2022 specifies the quality characteristics of liquid or gaseous hydrogen fuel dispensed at hydrogen refuelling stations for use in proton exchange membrane (PEM) fuel cell vehicle systems, and the corresponding quality assurance considerations for ensuring uniformity of the hydrogen fuel.