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| Document Title | UN R49: Proposal for a Supplement 3 to the 07 series of amendments | ||||||||
| Reference Number | WP.29/2025/94 | ||||||||
| Date |
29 Aug 2025
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| Summary | Proposal to introduce new provisions to accommodate type-approval of hydrogen Type 1A dual fuel engines and vehicles, modifications to include Fourier Transform Infrared (FTIR) and Quantum Cascade Laser (QCL) instruments, new provisions to accommodate monitoring on-board fuel and/or energy consumption during PEMS testing, and to amend for consistency between UN R49 and UN R83 in light of amendments to the 06 and 07 series of UN R83. | ||||||||
| Rulemaking Area(s) | UN R49 Diesel/CNG/LNG Engine Emissions | ||||||||
| Regulatory Impact |
07 series of amendments | Supplement 3
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| Proposal Status | Formal WP.29 review | ||||||||
| Meeting(s) | |||||||||
| Related Documents | |||||||||
| GRPE/2025/12 | UN R49: Proposal for a new Supplement to the 07 series of amendments (superseded) | ||||||||
| GRPE/2025/13 | UN R49: Proposal for a new Supplement to the 06 and 07 series of amendments (superseded) | ||||||||
| GRPE-92-25/Rev 2 | UN R49: Proposal for a new Supplement to the 07 series of amendments | ||||||||
| Downloads | |||||||||
| UNECE server | .pdf format | .docx format | |||||||
| GAR server | .pdf format | .docx format | |||||||