| Document Title | UN R51: Proposal for Supplement 11 to the 03 series of amendments | ||||||||
| Reference Number | GRBP-83-41 | ||||||||
| Date |
11 Feb 2026
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| Summary | Proposal to supersede document GRBP/2026/4 intended to introduce a “default mode”, to specify requirements to be applied to the emission of Enhanced Exterior Sound (EES), with corresponding transitional provisions, and to draw a limit curve to introduce electric vehicles and hybrid electric vehicles that can be propelled without an internal combustion engine operating in the scope of ASEP (Annex 7). | ||||||||
| Source(s) | OICA | ||||||||
| Rulemaking Area(s) | UN R51 Vehicle Noise | ||||||||
| Regulatory Impact |
03 series of amendments | Supplement 11
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| Proposal Status | Formal GR review | ||||||||
| Meeting(s) | |||||||||
| Related Documents | |||||||||
| GRBP/2026/4 | UN R51: Proposal for a Supplement 11 to the 03 series of amendments | Formal GR review | supersede? | |||||||
| Downloads | |||||||||
| UNECE server | .pdf format | .docx format | |||||||
| GAR server | .pdf format | .docx format | |||||||