| UN R51: Proposal for Supplement 11 to the 03 series of amendments |
| Reference Number: GRBP-83-41 |
|
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). |
| Submitted by: OICA |
| Meeting Sessions: 83rd GRBP session (10-13 Feb) and 1st RDASEP-Edit session (26 Feb) |
| Document date: 11 Feb 26 |
| Document status: Superseded |
| Relevant to: UN Regulation No. 51 | Vehicle Noise Emissions |
| Click here to view the full document file |
| UN R51: Proposal for 04 series of amendments |
| Reference Number: GRBP-74-22 |
|
Introduces Real Driving Additional Sound Emission Provisions (RD-ASEP) for vehicles of categories M1 and N1 covering driving conditions outside of normal driving with higher accelerations and vehicle speeds up to 100 km/h |
| Meeting Sessions: 74th GRBP session (15-17 Sep 2021) and 1st RDASEP-Edit session (26 Feb) |
| Document date: 07 Sep 21 |
| Document status: Informal GR review |
| Relevant to: UN Regulation No. 51 | Vehicle Noise Emissions |
| Click here to view the full document file |
| UN R51: 03 series up to an including Supplement 10 |
| Reference Number: RDASEP-Edit-01-01 |
| Meeting Sessions: 1st RDASEP-Edit session (26 Feb) |
| Document date: 30 Jan 25 |
| Relevant to: UN Regulation No. 51 | Vehicle Noise Emissions |
| Click here to view the full document file |
| RD-ASEP Issues List April 2026 |
| Reference Number: RDASEP-Edit-01-02 |
| Meeting Sessions: 1st RDASEP-Edit session (26 Feb) |
| Document date: 20 Feb 26 |
| Relevant to: UN Regulation No. 51 | Vehicle Noise Emissions |
| Click here to view the full document file |
| UN R51: Working draft for a 04 series of amendments |
| Reference Number: RDASEP-Edit-01-03 |
| Meeting Sessions: 1st RDASEP-Edit session (26 Feb) |
| Document date: 20 Feb 26 |
| Relevant to: UN Regulation No. 51 | Vehicle Noise Emissions |
| Click here to view the full document file |
| UN R51: Feedback on the draft 04 series of amendments |
| Reference Number: RDASEP-Edit-01-04 |
| Meeting Sessions: 1st RDASEP-Edit session (26 Feb) |
| Document date: 26 Feb 26 |
| Relevant to: UN Regulation No. 51 | Vehicle Noise Emissions |
| Click here to view the full document file |
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