GAR | GRPE/2018/19

UN R24: Proposal for amendments

Document GRPE/2018/19

26 March 2018

77th GRPE session (4-8 Jun 2018)

Proposal to align UN R24 (Compression Ignition Engines – Emission of Visible Pollutants – Power Measurement) with UN R85 with regard to correction factors.

Submitted by OICA

Status: Superseded

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Previous Documents, Discussions, and Outcomes

176th WP.29 session (12-16 Nov 2018)

4.9.1. | Proposal for Supplement 4 to the 03 series of amendments to UN Regulation No. 24 (Visible pollutants, measurement of power of Compression Ignition engine (Diesel smoke))

77th GRPE session (4-8 Jun 2018)

5. | Regulations Nos. 85, 115, 133, and 143

38. The expert from OICA presented GRPE-77-20 that improves the justification of ECE/TRANS/WP.29/GRPE/2018/19 by proposing a solution to align the provisions of the 03 series of amendments to UN Regulation No. 24 with UN Regulation No. 85. GRPE adopted the proposal and requested the secretariat to submit it to WP.29 and AC.1 for consideration and vote at their June 2018 sessions as draft Supplement 4 to the 03 series of amendments to UN Regulation No. 24.

76th GRPE session (9-12 Jan 2018)

14. | Any other business

53. The expert from OICA briefly introduced GRPE-76-21, proposing to amend UN Regulation No. 24. He agreed to prepare an informal document along the lines in his presentation.

14.2. | UN Regulation No. 24

Reference Number:	WP.29/2025/2
Meeting Session(s):	195th WP.29 session (3-7 Mar 2025)
Document date:	24 Dec 24
Document status:	Formal WP.29 review
Regarding:	Communications/Connectivity

Reference Number:	EVE-79-05
Meeting Session(s):	79th EVE session (17 Dec)
Document date:	23 Dec 24
Regarding:	GTR No. 21 EV Power Determination \| GTR No. 22 EV Battery Durability \| HD EV Battery Durability

Reference Number:	VIAQ-30-09
Meeting Session(s):	30th VIAQ session (11 Oct)
Document date:	23 Dec 24
Regarding:	MR 3: VIAQ

Reference Number:	WT-64-03
Meeting Session(s):	64th WT session (16 Dec)
Document date:	22 Dec 24
Regarding:	UN R117 Tire Noise, Wet Adhesion, and Rolling Resistance

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