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UN Regulation No. 146
Category L Vehicle Hydrogen Fuel Cell Safety

Requirements for the approval of:

  1. Compressed hydrogen storage systems for hydrogen-fuelled vehicles of categories L1, L2, L3, L4 and L5 on their safety-related performance
  2. Specific components for compressed hydrogen storage systems for hydrogen-fuelled vehicles of categories L1, L2, L3, L4 and L5 on their safety-related performance
  3. Hydrogen-fuelled vehicles of categories L1, L2, L3, L4 and L5 incorporating compressed hydrogen storage system on its safety-related performance.
This Regulation does not cover post-crash safety requirements.

Download the Regulation

Revisions and Amendments
Series of Amendments and Supplements

Application of the Regulation

Contracting Parties applying UN R146

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Development of the Regulation

No changes to this regulation are pending.

Latest Documents

9 Apr 2018
Proposal for a new UN Regulation on Hydrogen and Fuel Cell Vehicles of category L | WP.29/2018/68
23 Oct 2017
Draft New Regulation (UNR) on Hydrogen-Fuelled Vehiclesof Categories L1, L2, L3, L4 and L5 | GRSP-62-02
23 Oct 2017
Draft New Regulation (UNR) on Hydrogen‐Fuelled Vehicles of Categories L1, L2, L3, L4 and L5 | GRSP-62-01
See all 7 related documents

Latest Meeting Discussions

World Forum for the Harmonization of Vehicle Regulations | Session 175 | 18-22 Jun 2018
Working Party on Passive Safety | Session 62 | 12-15 Dec 2017
Working Party on Passive Safety | Session 61 | 8-12 May 2017
See more related meetings