Proposal to amend para. 9.3.2.7. to specify that air to fuel measurement equipment shall be a wide range air to fuel ratio sensor or lambda sensor of Zirconia type mounted directly on the exhaust pipe where exhaust gas temperature is high enough to eliminate water condensation, with sensor accuracy within 3 per cent of reading for less than 2, 5 per cent of reading for 2 to less than 5, and 10 per cent of reading for 5 or greater, calibrated as specified by the instrument manufacturer.

Proposal to reintroduce text that was unintentionally omitted in document GRPE/2025/12 as adopted by GRPE during its 92nd session.

GRPE held its ninety-fourth session from 17 to 19 March 2026 in Geneva. GRPE adopted proposals for draft supplements and amendments to UN Regulations Nos. 68, 83, 154, 49, 24, 85, 115, 133, 143, 177, 96, and ¹⁷⁹, and to UN GTRs Nos. 21, 22, and 25, requesting secretariat submission to WP.29 and AC.1 or AC.3 for consideration and vote at their June or November 2026 sessions. GRPE adopted ECE/TRANS/WP.29/GRPE/2026/27 and requested secretariat submission to WP.29 for consideration at its November 2026 session as draft new Revision 2 to M.R.3. GRPE agreed to postpone consideration of certain proposals to forthcoming sessions. The next GRPE session is scheduled for 14–16 October 2026.

Proposal to amend para. 9.3.2.7. to specify that air to fuel measurement equipment shall be a wide range air to fuel ratio sensor or lambda sensor of Zirconia type mounted directly on the exhaust pipe where exhaust gas temperature is high enough to eliminate water condensation, with sensor accuracy within 3 per cent of reading for less than 2, 5 per cent of reading for 2 to less than 5, and 10 per cent of reading for 5 or greater, calibrated as specified by the instrument manufacturer.

Proposal to reintroduce text that was unintentionally omitted in document GRPE/2025/12 as adopted by GRPE during its 92nd session.

GRPE held its ninety-fourth session from 17 to 19 March 2026 in Geneva. GRPE adopted proposals for draft supplements and amendments to UN Regulations Nos. 68, 83, 154, 49, 24, 85, 115, 133, 143, 177, 96, and ¹⁷⁹, and to UN GTRs Nos. 21, 22, and 25, requesting secretariat submission to WP.29 and AC.1 or AC.3 for consideration and vote at their June or November 2026 sessions. GRPE adopted ECE/TRANS/WP.29/GRPE/2026/27 and requested secretariat submission to WP.29 for consideration at its November 2026 session as draft new Revision 2 to M.R.3. GRPE agreed to postpone consideration of certain proposals to forthcoming sessions. The next GRPE session is scheduled for 14–16 October 2026.

Proposal to amend para. 9.3.2.7. to specify that air to fuel measurement equipment shall be a wide range air to fuel ratio sensor or lambda sensor of Zirconia type mounted directly on the exhaust pipe where exhaust gas temperature is high enough to eliminate water condensation, with sensor accuracy within 3 per cent of reading for less than 2, 5 per cent of reading for 2 to less than 5, and 10 per cent of reading for 5 or greater, calibrated as specified by the instrument manufacturer.

Proposal to reintroduce text that was unintentionally omitted in document GRPE/2025/12 as adopted by GRPE during its 92nd session.

GRPE held its ninety-fourth session from 17 to 19 March 2026 in Geneva. GRPE adopted proposals for draft supplements and amendments to UN Regulations Nos. 68, 83, 154, 49, 24, 85, 115, 133, 143, 177, 96, and ¹⁷⁹, and to UN GTRs Nos. 21, 22, and 25, requesting secretariat submission to WP.29 and AC.1 or AC.3 for consideration and vote at their June or November 2026 sessions. GRPE adopted ECE/TRANS/WP.29/GRPE/2026/27 and requested secretariat submission to WP.29 for consideration at its November 2026 session as draft new Revision 2 to M.R.3. GRPE agreed to postpone consideration of certain proposals to forthcoming sessions. The next GRPE session is scheduled for 14–16 October 2026.