GAR | GRBP-80-04

UN R51: IWG ASEP Status report

Document GRBP-80-04

26 August 2024

IWG RD-ASEP has two parts:
A) RD-ASEP for UN-R51, to develop a mandatory procedure after the
monitoring phase
B) RD-ASEP for UN-R41: ASEP second step, to develop stricter ASEP limit
curves

Status: Informal GR review

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Previous Documents, Discussions, and Outcomes

80th GRBP session (17-20 Sep)

3. | UN Regulation No. 51 (Noise of M and N Categories of Vehicles)

5. GRBP was briefed on the activities IWG RD – ASEP (GRBP-80-04).

Relates to UN R41 | UN R51 |

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

Reference Number:	WT-64-04
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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