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UN World Forum for Harmonization of Vehicle Regulations

← WP.29 189

Session 190

WP.29 191 →

19-22 Jun 2023 · Geneva

Agenda All Documents Formal Informal Adopted Report

Filtered: UN R49 Diesel/CNG/LNG Engine Emissions Remove filter

WP.29/1173 WP.29: Report of the 190th (June 2023) session

UNECE: .pdf | .docx

Agenda Item 4.7.3. →

4.7. Consideration of draft amendments to existing UN Regulations submitted by GRPE

linked to UN R49 Diesel/CNG/LNG Engine Emissions

99. The World Forum considered draft amendments under agenda items 4.7.1 to 4.7.9 and recommended their submission to AC.1 for voting with the following corrections:

In ECE/TRANS/WP.29/2023/60, Annex 4, Appendix 7:

Paragraph A.7.2.1.2., amend to read:
“…of stainless steel or PTFE and shall be heated to set points between 383 and 464 K…”

Paragraph A.7.2.2.2., amend to read:
“…of stainless steel or PTFE and shall be heated to set points between 383 and 464 K…”

UN R49: Proposal for Supplement 2 to the 07 series of amendments
Reference Number: WP.29/2023/60
Proposal to permit the use of hydrogen (H2) as fuel for emissions type approval of heavy-duty vehicles, to insert provisions in Supplement 7 to the 06 series that were unintentionally omitted, to add a requirement for the accuracy of the humidity sensor, correct a typographical error (NOx mode), and to clarify the procedures.
Meeting Sessions: 190th WP.29 session (19-22 Jun 2023)
Document date: 04 Apr 23
Document status: WP.29 amended and adopted
Relevant to: UN Regulation No. 49 \| Diesel and CNG/LNG Engine Emissions
Adoption Vote
This proposal (WP.29/2023/60), as amended by para. 99 of the session report, was adopted by the World Forum. Thirty-one Contracting Parties out of the 49 applying UN R49 were present for the vote by AC.1. Thirty-one voted in favor with zero against and zero abstaining.
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