WP.29/2026/146
UN R68: Proposal for a Supplement 2

Proposal to amend UN R86 testing requirements:

  • Amend para. 1, Footnote 1 to update the reference to document ECE/TRANS/WP.29/78/Rev.8
  • Amend para. 5.3.2.3. to specify minimum radius of bends and transverse profile requirements for loop track curves
  • Amend para. 5.5.1.1.2. to clarify gear ratio selection and acceleration demand during measurement
  • Amend para. 5.5.5. to require recording of circuit time Ti, not less than three measurements with specified vehicle path tolerances, and a difference between extreme values not exceeding 3 per cent

UNECE server
Excerpts from session reports
GRPE | Session 94 | 17-19 Mar

12. The co-Chairs of the TF-AVRS introduced ECE/TRANS/WP.29/GRPE/2026/6 to ECE/TRANS/WP.29/GRPE/2026/10 together with GRPE-94-30, GRPE-94-32, GRPE-94-33-Rev.2 and GRPE-94-37-Rev.2.

13. The representative of OICA introduced ECE/TRANS/WP.29/GRPE/2026/12, GRPE-94-17, GRPE-94-18-Rev.1, GRPE-94-19, GRPE-94-20, GRPE-94-22, GRPE-94-50, GRPE-94-51, GRPE-94-55, GRPE-94-56, GRPE-94-57-Rev.2, GRPE-94-58-Rev.1, GRPE-94-59, GRPE-94-63-Rev.1.

14. The representative of the EC introduced ECE/TRANS/WP.29/GRPE/2026/11, GRPE-94-24-Rev.1, GRPE-94-65, GRPE-94-66.

15. GRPE adopted ECE/TRANS/WP.29/GRPE/2026/6 and requested the secretariat to submit it to WP.29 and AC.1 for consideration and vote at their June 2026 sessions as draft new supplement to UN Regulation No. 68 (Measurement of the maximum speed, including electric vehicles).

16. GRPE adopted GRPE-94-18-Rev.1 and agreed to merge this proposal with the proposal to amend the 08 series of amendments to UN Regulation No. 83 adopted during the last session of GRPE (ECE/TRANS/WP.29/GRPE/93, para. 17 and Annex IV). GRPE requested the secretariat to submit the merged proposal to WP.29 and AC.1 for consideration and vote at their June 2026 sessions as draft new supplement to the 08 series of amendments to UN Regulation No. 83 (Emissions of M1 and N1 vehicles).

17. The Vice-Chair introduced GRPE-94-67, summarizing all proposed changes to the 09 series of amendments to UN Regulation No. 83. GRPE agreed to reconsider GRPE-94-17 and GRPE-94-19 to forthcoming sessions of GRPE. The representative of the EC clarified GRPE-94-65 compiled ECE/TRANS/WP.29/GRPE/2026/7, ECE/TRANS/WP.29/GRPE/2026/11, ECE/TRANS/WP.29/GRPE/2026/12, GPRE-94-24-Rev.1, GPRE-94-30, GRPE-94-51 into a single full consolidated version.

18. GRPE adopted GRPE-94-65 and requested the secretariat to submit it to WP.29 and AC.1 for consideration and vote at their June 2026 sessions as draft new supplement to the 09 series of amendments to UN Regulation No. 83 (Emissions of M1 and N1 vehicles).

19. Following discussions during the session, GRPE agreed to postpone the consideration of ECE/TRANS/WP.29/GRPE/2026/8, GRPE-94-32 and GRPE-94-63-Rev.1, allowing more time for scrutiny following the decision to expand the amendments to the original version, 01, 02 and 03 series of amendments to UN Regulation No. 154.

20. The representative of Japan introduced GRPE-94-64, summarizing all proposed changes to the 04 series of amendments to UN Regulation No. 154. The representative of the EC clarified GRPE-94-66 compiled ECE/TRANS/WP.29/GRPE/2026/9, ECE/TRANS/WP.29/GRPE/2026/13, GPRE-94-33-Rev.1, GRPE-94-55, GRPE-94-56, GRPE-94-57-Rev.2 and other modifications proposed during the session into a single full consolidated version.

21. GRPE adopted GRPE-94-66 and requested the secretariat to submit it to WP.29 and AC.1 for consideration and vote at their June 2026 sessions as draft new supplement to the 04 series of amendments to UN Regulation No. 154 (WLTP).

22. GRPE adopted ECE/TRANS/WP.29/GRPE/2026/10, complimented by GRPE-93-37-Rev.2 and GRPE-94-61-Rev.1, and requested the secretariat to submit them to WP.29 and AC.1 for consideration and vote at their June 2026 sessions as draft new supplement to UN Regulation No. 180 (OBM).