What does it cover?
UN R146 addresses compressed hydrogen storage systems for hydrogen-fuelled L1–L5 vehicles. Storage systems, specific components and vehicle safety performance are covered in separate parts. Post-crash safety requirements are outside its scope.
Who is it for?
For hydrogen vehicle, storage system and component manufacturers and safety and approval teams.
Which subjects are addressed?
- Compressed hydrogen storage
- Specific system components
- Safe integration in L1–L5 vehicles
Common question
Is R146 only a hydrogen tank approval?
No. In addition to storage systems, it addresses specific components and safety performance of the hydrogen-fuelled vehicle in separate parts.
Published RegsUP edition
This page is tied to the published RegsUP working edition below; it is not an official consolidated text.
RegsUP record title: R146 — UN Regulation No. 146
Working series: 00 · Included supplement: 0
RegsUP edition publication date:
This is the RegsUP publication decision date, not the date the regulation entered into force.