GAR | GRBP-76-14

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UN R51: Comparison of EMISIA and ATEEL study on sound limit values

Document GRBP-76-14

2 September 2022

76th GRBP session (5-7 Sep 2022)

Submitted by ACEA and OICA

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Previous Documents, Discussions, and Outcomes

76th GRBP session (5-7 Sep 2022)

2. | UN Regulation No. 51 (Noise of M and N categories of vehicles)

9. The expert from OICA presented a comparison between two recent studies on the limits of sound levels of M- and N-category vehicles (GRBP-76-14). GRBP invited TF VS to discuss this topic at its forthcoming meeting in September 2022.

Relates to UN R51 |

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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