WP.29/2025/29
UN R168: Proposal for Supplement 1
Source(s)
Date
23 Dec 2024
Status
Adopted
Subject
Impact
Original text | Supplement 1
Meeting(s)

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.
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