UN R24 Supplement 7 (03 series) · UNECE Regulation No. 24 (ECE R24) — Uniform provisions concerning: I. The approval of compression ignition (C.I.) engines with regard to the emission of visible pollutants II. The approval of motor vehicles with regard to the installation of C.I. engines of an approved type III. The approval of motor vehicles equipped with C.I. engines with regard to the emission of visible pollutants by the engine IV. The measurement of power of C.I. engine.
UN R24 — Supplement 7 to the 03 series of amendments
Supplement 6 → 7
- What changed
- Approvals to UN Regulation No. 154 or No. 83 (06 or any later series) are now also equivalent approvals for visible pollutants.
- Paragraph 1.1.4.1. now refers to the approval mark provisions of UN Regulation Nos. 49, 83 and 154 as applicable.
- Why
- The proposer says that engines certified to these versions of UN Regulations (corresponding to Euro VI, Euro 5 or Euro 6) have no smoke.
- The proposer says that approvals to these versions do not require certification according to UN Regulation No. 24.
Q1What changed2 changes
Equivalent approvals to UN Regulation Nos. 49, 83 and 154 (paras. 1.1.4. and 1.1.4.1.)
Paragraph 1.1.4. lists equivalent approvals: these must be considered to demonstrate compliance with this Regulation with regard to the emission of visible pollutants. It now also lists approvals to UN Regulation No. 154 and to UN Regulation No. 83 (06 or any later series of amendments). Before this supplement, it listed only approvals to the 06 and above series of amendments to UN Regulation No. 49. Paragraph 1.1.4.1. now refers to the provisions for the approval mark in UN Regulation Nos. 49, 83 and 154 as applicable. Before this supplement, it referred only to UN Regulation No. 49.
Q2Why it changed
- Proposed by
- Expert from the International Organization of Motor Vehicle Manufacturers
- Working party
- GRPE, 83rd session (June 2021)
Reasons
Engines certified to the versions of UN Regulations named in the proposal (corresponding to Euro VI, Euro 5 or Euro 6) have no smoke.
Source
“However, engines certified to the versions of UN Regulations quoted in this document (corresponding to Euro VI, Euro 5 or Euro 6) have no smoke.”
C.I. engines with a DPF have smoke emissions less than 0,5 m-1 during the free acceleration test and almost zero at the steady state test.
Source
“CI-engines with DPF have smoke emissions less than 0,5 m-1 during free acceleration test and almost zero at steady state test.”
It is useful to clarify that approvals to these versions of UN Regulations do not require certification according to UN Regulation No. 24. For this reason, the scopes of the Regulation should be adjusted.
Source
“Thus, it is useful clarify that approvals to the mentioned versions of UN Regulations do not require the certification according to UN Regulation No. 24, therefore the scopes should be adjusted accordingly.”
Document trail
- 2021-03ProposalECE/TRANS/WP.29/GRPE/2021/15Proposal by the expert from OICA
- —Working party adoptsECE/TRANS/WP.29/GRPE/83GRPE session report, para. 29
- 2021-09Sent to WP.29ECE/TRANS/WP.29/2021/128Text that GRPE adopted and sent to WP.29 and AC.1
- 2021-11WP.29 adoptsECE/TRANS/WP.29/1161Adopted at the 185th session (session report, para. 121)
- 2022-06-22In forceC.N.200.2022.TREATIES-XI.B.16.24UN depositary notification
Q3Who is affected
Vehicle manufacturer
- Find out if you have approvals to UN Regulation No. 154 or No. 83 (06 or any later series).
- For an equivalent approval, follow the approval mark provisions of UN Regulation No. 49, 83 or 154 as applicable.
Component supplier
- No direct action for this role.
Technical service / Approval authority
- Be ready for approvals to UN Regulation No. 154 or No. 83 (06 or any later series) as equivalent approvals.
See every change side by side
RegVault customers compare every version of UN regulations, read the consolidated text and download the PDF.
ⓘ This report gives advice only. It is not legal or type-approval advice.