Saturday, 6 December 2025
Week 49
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Informal Working Group on Automated Driving Systems | Session 17 | 8-12 ...
Electric Vehicles and the Environment | Session 92 | 9-10 Dec
Task Force on Glare Prevention | Session 5 | 9 Dec
Real-Driving Additional Sound Emission Provisions | Session 10 | 9-10 ...
Simplification of Lighting and Light-Signalling Regulations | Session 75...
GRPE Automated Vehicle Regulations Screening | Session 31 | 10 Dec
EqOP Task Force on Virtual Crash Testing | Session 12 | 11 Dec
Task Force on the Fitness of GRVA Regulations for Application to ADS Veh...
EDR/DSSAD Subgroup on EDR | Session 45 | 16 Dec
Task Force on Advanced Driver Assistance Systems | Session 44 | 17 Dec
Informal Working Group on Artificial Intelligence | Session 4 | 17 Dec
Task Force on the Fitness of GRVA Regulations for Application to ADS Veh...
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UN R168: Proposal for Supplement 1
Reference Number:
WP.29/2025/29
Proposal to:
Clarify the need for 3-phase and 4-phase analysis of test data depending on the fuel type of the engine (petrol or diesel)
Clarify and align the provision of
PEMS
concentration and emission correction with UN Regulations as common provision
Amend the scope to allow type approval of vehicles that previously were only within the scope as an extension based on their reference mass.
Meeting Sessions:
195th WP.29 session (3-7 Mar)
Document date:
23 Dec 24
Document status:
Adopted by WP.29
Relevant to
UN Regulation No. 168 | Real Driving Emissions Test Procedure
Adoption Vote
This proposal (WP.29/2025/29) was adopted by the World Forum. Thirty-six Contracting Parties out of the 61 applying UN R168 were present for the vote by AC.1. Thirty-six voted in favor with zero against and zero abstaining.
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UN Regulation No. 168
Real Driving Emissions Test Procedure
Overseen by
GRPE
Series, Supplements, and Corrigenda
Original text | Supplement 1
Entry into force as of: 26 Sep 2025
Original text | Supplement 1 was established by the adoption of the following proposal:
WP.29/2025/29 UN R168: Proposal for Supplement 1