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Upcoming Meetings

Working Party on Automated and Connected Vehicles | Session 25 | 18-22 ...
Electric Vehicles and the Environment | Session 97 | 19-20 May
GRBP Task Force on Automated Vehicle Regulation Screening | Session 22 |...
Task Force on Hydrogen Regulations | Session 12 | 20 May
Automotive Life Cycle Assessment | Session 41 | 21 May
GRSP Task Force on Automated Vehicles and Regulation Screening | Session...
Children Left in Vehicles | Session 17 | 28 May
RD-ASEP Editing Task Force | Session 6 | 28 May
Working Party on Passive Safety | Session 79 | 1-5 Jun
Environmental and Propulsion Performance Requirements for L-category Veh...
Informal Working Group on Artificial Intelligence | Session 9 | 3-4 Jun
RDASEP Task Force on Data Analysis | Session 14 | 3 Jun
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Recent Headlines

7 May 2026 Report on EU CO2 emission performance standards for new light...
6 May 2025 CO2 emissions EP fast-tracks vote on flexibility measures for...
10 Mar 2025 Electric vehicles and climatisation measuring the impact on...
29 Jan 2025 EU Parliament report on vehicle circularity and end-of-life...
9 Jan 2025 High-visibility clothing may thwart pedestrian crash prevention...
30 Dec 2024 Australia ceases UN R147 application

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Latest Documents

20 May 2026 | UN R154: Draft provisions on battery durability | WLTP-AH-07-03/Rev.2
20 May 2026 | UN R154: OBFCM draft provisions | WLTP-AH-07-02
20 May 2026 | GRSP-TF-AVRS draft status report to GRSP | GRSP-TF-AVRS-26-26
20 May 2026 | UN R171: Proposal to amend GRVA/2026/18 | GRVA-25-45
20 May 2026 | UN R13: Proposal for e-trailer amendments | GRVA-25-44
20 May 2026 | UN R157: Proposal for amendment | GRVA-25-43
20 May 2026 | UN R13-H: Presentation on a fatal incident involving ADS performance...
20 May 2026 | EV and Hydrogen Fuel-Cell Vehicle Retrofits: Comments on GRVA-25-07 ...
(14 posted today) (61 posted during the past week)
UN R154: Draft provisions on battery durability
Reference Number: WLTP-AH-07-03/Rev.2

Proposal to introduce new regional requirements from Contracting Parties, in particular from Euro 7 in the EU, including new particle number (PN10) provisions, a new SHED limit for evaporative emissions, updated On-board Fuel Consumption Monitoring provisions, and new annexes with requirements relating to in-vehicle battery durability and a new test for range of Pure Electric Vehicles at low temperatures for UN R154 (Worldwide harmonized Light vehicles Test Procedures (WLTP)).

Meeting Sessions: 7th WLTP-AH session (29 Sep 2025)
Document date: 06 Oct 25
Relevant to: UN Regulation No. 154 | Light Vehicle Emissions Type Approval Test Procedure
View full document file for more information
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Download from UNECE: .docx format
UN R154: OBFCM draft provisions
Reference Number: WLTP-AH-07-02

Devices for monitoring on-board vehicle consumption of fuel and/or electric energy shall determine and store lifetime values of fuel consumed, distance travelled, and energy parameters specified in Appendix 5. Type-approval requires testing per Table A according to vehicle category and fuel type, including Type 1 emissions tests, evaporative emissions tests, durability, OBD checks, and OBFCM accuracy verification. Manufacturers must ensure OBFCM accuracy between −0.05 and +0.05 calculated using specified formulae comparing WLTP-determined and OBFCM-measured consumption. Conformity of production requires periodic testing and audits. Lifetime counter values shall be preserved from 1 January 2029 for new vehicle types; from 1 January 2030, type approvals for non-compliant vehicles shall not be accepted. OBFCM devices must provide standardised, unrestricted access to information via specified ISO and SAE standards.

Meeting Sessions: 7th WLTP-AH session (29 Sep 2025)
Document date: 06 Oct 25
Relevant to: UN Regulation No. 154 | Light Vehicle Emissions Type Approval Test Procedure
View full document file for more information
Click here to view the full document file
Download from UNECE: .docx format
GRSP-TF-AVRS draft status report to GRSP
Reference Number: GRSP-TF-AVRS-26-26

TF-AVRS submitted a draft new Y-category Passive Safety Regulation to GRSP-79 in June 2026. The regulation addresses fuel system integrity, electrical shock protection, and crash compatibility for frontal, rear-end, and lateral collisions. The Task Force eliminated the R point problem, passenger compartment references, and A and B pillar designations, harmonised mass definitions, and consolidated numbering and cross-references. Open items include determining additional requirements, specific vehicle measurements, and finalising Annex elements. Subsequent informal documents are planned for GRSP-79, with working documents for GRSP-80.

Meeting Sessions: 26th GRSP-TF-AVRS session (22 May)
Document date: 20 May 26
Relevant to: WP.29 Regulatory Project | Review of Regulations for Applicability to ADS Vehicles and WP.29 Regulatory Project | Approval of vehicles of category Y (without occupants) with regard to their crash safety
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Download from UNECE: .pptx format
UN R171: Proposal to amend GRVA/2026/18
Reference Number: GRVA-25-45

Proposal to delete the draft “Reserved” paragraph 5.3.7.2.4.3. in GRVA/2026/18. Reserving paragraph 5.3.7.2.4.3. in the 01 series would mean that the subsequent paragraphs would be out of line with the numbering in the 02 series, making future amendments to UN R171 unnecessarily challenging.

Submitted by: UK
Meeting Sessions: 25th GRVA session (18-22 May)
Document date: 20 May 26
Document status: Formal GR review
Relevant to: UN Regulation No. 171 | Driver-Control Assistance Systems (DCAS)
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Download from UNECE: .pdf format .docx format
UN R13: Proposal for e-trailer amendments
Reference Number: GRVA-25-44

Proposal to delete paragraph 1.2.6. excluding e-axle trailers with e-axles providing electric propulsion and/or incorporating an electric regenerative braking system from the scope of UN R13, and add definitions of “e-axle,” “e-axle trailer,” “dynamo function,” and “e-trailer”; add special requirements for power-driven vehicles supporting e-trailer operation, e-axle trailers equipped with dynamo function, and e-trailers of category O; add requirements for electric control lines conforming to ISO 11992-2:2027; specify message support and functional compatibility; and add provisions for electric regenerative braking, dynamo function, and propulsion, including parameters such as retarder torque demand priority, propulsion force limits, overriding mode activation at speeds below 15km/h, and vehicle stability function interaction.

Submitted by: OICA, CLCCR, and CLEPA
Meeting Sessions: 25th GRVA session (18-22 May)
Document date: 20 May 26
Document status: Informal GR review
Relevant to: UN Regulation No. 13 | Heavy-Duty Vehicle Braking and WP.29 Regulatory Project | Trailer-axle energy and propulsion
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Download from UNECE: .pdf format .docx format
UN R157: Proposal for amendment
Reference Number: GRVA-25-43

Proposal to amend para. 3.5.1. of Annex 4 to require the manufacturer to demonstrate to the approval authority that effective processes, methodologies and tools are in place, up to date and being followed within the organization to manage the safety and continued compliance throughout the product lifecycle, and to demonstrate to the approval authority at least every three years that the safety management system continues to comply with these requirements.

Submitted by: Germany and UK
Meeting Sessions: 25th GRVA session (18-22 May)
Document date: 20 May 26
Document status: Informal GR review
Relevant to: UN Regulation No. 157 | Automated Lane-Keeping Systems (ALKS)
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Download from UNECE: .pdf format .docx format
UN R13-H: Presentation on a fatal incident involving ADS performance
Reference Number: GRVA-25-42

In January 2022, an M1 passenger vehicle with a detached tyre caused its Anti-lock Braking System to activate, preventing effective braking and resulting in collision with a stationary lorry. The coroner concluded the ABS functioned as intended but created an unsafe scenario by using the fastest rotating wheel as reference speed, and recommended changes to prevent future deaths. The UK proposal to amend UN R13-H would require manufacturers to affirm that strategies to achieve system objectives will not prejudice safe operation of systems under non-fault conditions, including failures of other systems involved in achieving system function such as tyres or wheels, and that documentation be supported by analysis showing how the system will behave upon any fault with bearing on vehicle control, performance, or safety, including faults with other systems involved in achieving system function.

Submitted by: UK
Meeting Sessions: 25th GRVA session (18-22 May)
Document date: 20 May 26
View full document file for more information
Click here to view the full document file
Download from UNECE: .pdf format .pptx format
EV and Hydrogen Fuel-Cell Vehicle Retrofits: Comments on GRVA-25-07
Reference Number: GRVA-25-41

OICA-CLEPA-EME comments on German proposal GRVA-25-07 to require the approval authority granting UN R155 or UN R156 type approvals to use CSMS or SUMS certificates signed by the same approval authority. OICA-CLEPA-EME identify that CSMS and SUMS are Management Systems covering entire manufacturer organizations, and mandating the same approval authority for Management Systems certificates and approvals will have significant consequences for original equipment manufacturers typically using multiple approval authorities in homologation. The submission proposes keeping text unchanged to allow different approval authorities for Management Systems certificates and type approval based on voluntary acceptance, implementing wording on information exchange if different approval authorities are involved, and establishing a horizontal approach for Management Systems with mutual recognition aspects considered.

Submitted by: EME, OICA, and CLEPA
Meeting Sessions: 25th GRVA session (18-22 May)
Document date: 20 May 26
Relevant to: WP.29 Regulatory Project | Electric and Hydrogen Fuel-Cell Vehicle Retrofit Systems
View full document file for more information
Click here to view the full document file
Download from UNECE: .pdf format .pptx format
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