USA: Tier 2 Motor Vehicle Emissions Standards and Gasoline Sulfur Control Requirements; Final Rule

Control of Emissions of Air Pollution from Non-road Diesel Engines and Fuel; Final Rule

USA: Federal Motor Vehicle Safety Standard; FMVSS No. 108 Lamps, Reflective devices and Associated Equipment

Federal Motor Vehicle Safety Standard; FMVSS No. 135 Passenger Car Braking Systems

USA: Federal Motor Vehicle Safety Standard; FMVSS No. 139 New Pneumatic Radial Tires for Light Vehicles

USA: Federal Motor Vehicle Safety Standard; FMVSS No. 213 Child Restraint Systems and FMVSS No. 225 Child Restraint Anchorage Systems

Proposal to delete the Declaration of Conformance, amend Unique Identifier to reflect its optional use, and update Regulations integrated into IWVTA.

Request for authorization to develop test procedures to assess the mechanical integrity and durability of supply lines to any additional Thermally activated Pressure Relief Devices (TPRD) connected directly to the Compressed Hydrogen Storage System (CHSS).

Proposal to correct document WP.29/2025/94.

Proposal to require technical services performing audits and certification of management systems under UN Regulations to comply with ISO/IEC 17021:2015.

Proposal to amend paragraph 8.4 to allow Conformity of Production tests to use different acceleration values when environmental conditions or rider mass prevent achieving the reference acceleration (a_wot,ref ) with the same gear used during type approval testing.

Proposal to clarify the gear selection procedure pursuant to the amendment to allow deviation from the reference acceleration a_wot,ref requirement for Conformity of Production tests.

Proposal to clarify the gear selection procedure pursuant to the amendment to allow deviation from the reference acceleration a_wot,ref requirement for Conformity of Production tests.

Proposal to

1. Enable real-time reading of electrical transmission brake demand values via an OBD connector and scan tool during periodical technical inspections,
2. Clarify that only one braking control (e.g., service braking control, parking brake control) shall be used for each test condition of the secondary braking effectiveness and to permit the selection of the braking control based on the vehicle load condition, and
3. Establish definitions for “e-axle”, “e-axle trailer” and “dynamo function” and to establish provisions for the approval of e-axle trailers with regard to their “dynamo function”.

Proposal to enable the application of UN R13 to automated vehicles, including those without manual controls.

Proposal to enable the type approval of ADS vehicles, including those without manual controls (to be considered during the June 2026 WP.29 session at the time of consideration of the proposed new regulations on ADS).

Proposal to

1. Enable the type approval of ADS vehicles, including those without manual controls,
2. Introduce transitional provisions pursuant to the adoption of Supplements that included changes to the approval requirements, and
3. Allow the driver to slow down the remote parking manoeuvre, including coming to a stop, sooner than intended by the system.

Proposal to:

1. Enable real-time reading of electrical transmission brake demand values via an OBD connector and scan tool during periodical technical inspections,
2. Clarify that only one braking control (e.g., service braking control, parking brake control) shall be used for each test condition of the secondary braking effectiveness and to permit the selection of the braking control based on the vehicle load condition,
3. Establish definitions for “e-axle”, “e-axle trailer” and “dynamo function” and to establish provisions for the approval of e-axle trailers with regard to their “dynamo function”.

Proposal to:

1. Clarify that only one braking control (e.g., service braking control, parking brake control) shall be used for each test condition of the secondary braking effectiveness and permit the selection of the braking control based on the vehicle load condition, and
2. Establish definitions for “e-axle”, “e-axle trailer” and “dynamo function” and provisions for the approval of e-axle trailers with regard to their “dynamo function”.

Proposal to:

1. Clarify that only one braking control (e.g., service braking control, parking brake control) shall be used for each test condition of the secondary braking effectiveness and permit the selection of the braking control based on the vehicle load condition, and
2. Establish definitions for “e-axle”, “e-axle trailer” and “dynamo function” and provisions for the approval of e-axle trailers with regard to their “dynamo function”.

Proposal to

1. Enable real-time reading of electrical transmission brake values during periodical technical inspections, and
2. Clarify that the Emergency Stop Signal (ESS) may be generated by application of the service braking system via the Electronic Parking Brake (EPB) control.

Proposal to clarify that the Emergency Stop Signal (ESS) may be generated by application of the service braking system via the Electronic Parking Brake (EPB) control.

Proposal to:

1. Allow the driver to slow down the remote parking manoeuvre, including coming to a stop, sooner than intended by the system, and
2. Introduce transitional provisions pursuant to the adoption of Supplements that included changes to the approval requirements.

Proposal to:

1. Allow the diver to slow down the remote parking manoeuvre, including coming to a stop, sooner that intended by the system, and
2. Introduce transitional provisions pursuant to the adoption of Supplements that included changes to the approval requirements.

Proposal to align UN R130 with the harmonised wording approved by WP.29 with regard to conditions for automatic reinstatement of a system at the “initiation of each engine start/run cycle”.

Proposal to align UN R130 with the harmonised wording approved by WP.29 with regard to conditions for automatic reinstatement of a system at the “initiation of each engine start/run cycle”.

Proposals to improve the text related to terminology across propulsion types (e.g., use of term “powertrain”) pursuant to similar improvements agreed via documents WP.20/2025/87 and 90.

Proposal to align the provisions of UN R40 with the Euro 3 emissions standard.

Proposal for a new series to align with Euro 7 requirements, including provisions on manipulation devices and manipulation strategies, anti-tampering, security and cyber security, and extended lifetime and In-Service Conformity requirements for in-vehicle battery durability. The Type 2 test has been removed from this new series.

Proposal to align the real-driving emissions provisions with the requirements of Euro 7 and to introduce a “levels” concept.

Proposal to align the scope with the Euro 7 emissions legislation, including the clarification of the definitions on vehicle types and families.

Proposal to:

• Correct language for consistent use of “shall”
• Add year of publication extensions to ISO 7637-2 references
• Clarify the two types of electrical/electronic sub-assemblies (ESA) and related testing provisions
• Add references to the edition for EMC standards
• Update Model A and B approval markings
• Add missing failure criteria for “Advanced Driving System” (ADS) “Brake mode” vehicle test conditions
• Correct a reference to IEC 61000-4-5
• Improve consistency, align with relevant standards, and clarify provisions.

Proposal to clarify:

1. The voltage requirements for light-emitting diodes (LED),
2. The requirements for the activation of direction-indicator lamps to ensure compatibility with driver control assistance systems as permitted under UN Regulation No. 171,
3. That direction-indicator lamps on one side of a vehicle shall be switched ON and OFF automatically, and
4. The provisions for category 5 devices by adding “per side” in the requirements.

Proposal to clarify:

1. The voltage requirements for light-emitting diodes (LED),
2. The requirements for the activation of direction-indicator lamps to ensure compatibility with driver control assistance systems as permitted under UN Regulation No. 171,
3. That direction-indicator lamps on one side of a vehicle shall be switched ON and OFF automatically, and
4. The provisions for category 5 devices by adding “per side” in the requirements.

Proposal to clarify:

1. The voltage requirements for light-emitting diodes (LED),
2. The requirements for the activation of direction-indicator lamps to ensure compatibility with driver control assistance systems as permitted under UN Regulation No. 171,
3. That direction-indicator lamps on one side of a vehicle shall be switched ON and OFF automatically, and
4. The provisions for category 5 devices by adding “per side” in the requirements.

Proposal to clarify:

1. The voltage requirements for light-emitting diodes (LED),
2. The requirements for the activation of direction-indicator lamps to ensure compatibility with driver control assistance systems as permitted under UN Regulation No. 171,
3. That direction-indicator lamps on one side of a vehicle shall be switched ON and OFF automatically, and
4. The provisions for category 5 devices by adding “per side” in the requirements.

Proposal to:

1. Clarify the marking requirements for headlamp functions,
2. Improve the accuracy of the instrumental aiming method, and
3. Delete provisions concerning use of the Unique Identifier pursuant to the WP.29 decision to change the approach to its application from use “by default” to use if specified in each regulation.

Proposal to establish requirements for the type approval of vehicles with regard to the particle emissions of their braking systems, including uniform methods for their measurement. Japan abstained from the vote to adopt.

Proposal to establish requirements for the type approval of on-board monitoring (OBM) systems that:

1. detect vehicle exhaust emissions exceeding prescribed limits,
2. monitor propulsion battery storage capacity and health,
3. warn drivers as warranted, and
4. communicate such information off-board.

Proposal for a new UN Regulation on the type approval of vehicles and systems with regard to fire suppression systems designed to reduce the risk of Boiling Liquid Expanding Vapor Explosions (BLEVE) to support the fitment of such systems to vehicles transporting dangerous goods (ADR vehicles). Japan abstained from the vote to adopt.

Proposal for a new regulation for the type approval of systems designed to detect signs of fatigue and warn the driver when drowsiness is detected (based on the European Commission Delegated Regulation (EU) 2021/1341).

Proposal for a new type-approval regulation concerning vehicles equipped with systems designed to detect prolonged distraction of the driver’s visual focus away from the driving task and issue warnings if such distraction events are detected (based on European Commission Delegated Regulation (EU) 2023/2590).

Proposal to introduce introduce new light emitting diode (LED) light source categories LRR8A and LRR8B, to amend provisions in paragraph 3.1, group 1, group 2, and group 3 concerning phase out of certain light source categories and to introduce new LED replacement light source categories H8, H16 and HB4.

Proposal for a new series to align with Euro 7 requirements, including provisions on manipulation devices and manipulation strategies, anti-tampering, security and cyber security, and extended lifetime and In-Service Conformity requirements for in-vehicle battery durability. The Type 2 test has been removed from this new series.

Proposal to harmonise and consolidate the regional procedures and limits, update the provisions to align with Euro 7 requirements, including new particle number (PN10) provisions, a new SHED limit for evaporative emissions, updated On-board Fuel Consumption Monitoring provisions, new annexes with requirements relating to in-vehicle battery durability and a new test for range of Pure Electric Vehicles at low temperatures. An informal document amending this proposal is under development.