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WP.29/2025/94

UN R49: Proposal for a Supplement 3 to the 07 series of amendments

Source(s)

Date

29 Aug 2025

Status

Adopted

Subject

UN R49 Diesel/CNG/LNG Engine Emissions

Impact

07 series of amendments | Supplement 3

Meeting(s)

WP.29 | Session 197 | 10-14 Nov 2025

Agenda item 4.6.2. Proposal for Supplement 3 to the 07 series of amendments to UN Regulation No. 49 (Emissions of compression ignition and positive ignition (LPG and CNG) engines)

WP.29 | Session 198 | 9-13 Mar

Proposal to introduce new provisions to accommodate type-approval of hydrogen Type 1A dual fuel engines and vehicles, modifications to include Fourier Transform Infrared (FTIR) and Quantum Cascade Laser (QCL) instruments, new provisions to accommodate monitoring on-board fuel and/or energy consumption during PEMS testing, and to amend for consistency between UN R49 and UN R83 in light of amendments to the 06 and 07 series of UN R83.

Downloads

UNECE server

Related documents

Excerpts from session reports

WP.29 | Session 197 | 10-14 Nov 2025

(h) AC.2 reviewed the WP.29 agenda and recommended to postpone to the next session consideration of ECE/TRAN/WP.29/2025/162 (agenda item 4.6.2).

68. The World Forum considered draft amendments under agenda items 4.6.1 to 4.6.10. and recommended their submission to AC.1 for voting. For agenda item 4.6.2, WP.29 agreed with the AC.2 recommendation to postpone consideration of ECE/TRANS/WP.29/2025/162 to the next session.

With 33 of the 52 Contracting Parties applying UN R49 present and voting, AC.1 adopted document WP.29/2025/94 by a vote of 33 in favor, 0 opposed, with 0 abstaining.

GRPE | Session 94 | 17-19 Mar

31. The representative of OICA introduced ECE/TRANS/WP.29/GRPE/2026/17.

32. GRPE adopted ECE/TRANS/WP.29/GRPE/2026/17 as amended during the session and requested the secretariat to submit it to WP.29 and AC.1 for consideration and vote at their November 2026 sessions as draft new supplement to the 07 Series of Amendments to UN Regulation No. 49.