| Hydrogen fuel safety task force: Draft status report to GRSP |
| Reference Number: TFH2-13-01 |
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The task force completed working documents for transposition of the optional part of GTR 13 on liquefied hydrogen (GRSP/2025/41, GRSP-78-15/Rev.1, GRSP-78-16/Rev.2), updating ISO 17268-1:2025 references for receptacle geometry, and incorporating ISO 19887-1:2024 and periodic inspection requirements into UN Regulation No. 134 (WP.29/2026/56, WP.29/2026/136, WP.29/2026/57). The task force recommended deferring discussions on supply line standards to IWG GTR 13 Phase 3 and provided recommendations for hydrogen storage and fuel system requirements. |
| Meeting Sessions: 13th TFH2 session (27 May) |
| Document date: 27 May 26 |
| Relevant to: UN Regulation No. 184 | Safety-related performance of vehicles and systems fuelled with liquefied hydrogen and GTR No. 13 | Hydrogen and Fuel Cell Vehicle Safety |
| Click here to view the full document file |
| UN R134: Draft proposal for a Supplement to the 03 series of amendments |
| Reference Number: TFH2-13-02 |
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Proposal to amend para. 2.1. to specify that appropriate adaptors are test components designated by the CHSS manufacturer substituting for the container valve, additional TPRD, and end plug, modify paras. 5.1.1., 5.1.2., 5.2., 9.2.1., and 9.2.3.2. to clarify that connections between supply lines for additional TPRDs and appropriate adaptors shall meet test requirements and are within the scope of the test, amend para. 9.2.1. to delete references to hydraulic mating connections, and modify Annex 3 para. 5.1. to include supply lines for additional TPRDs in the CHSS test article. |
| Meeting Sessions: 13th TFH2 session (27 May) |
| Document date: 27 May 26 |
| Relevant to: UN Regulation No. 134 | Hydrogen fuel cell vehicle safety |
| Click here to view the full document file |