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34. The expert from EC proposed amendments to Regulation No. 9 with the aim to introduce ASEP requirements for L4 and L5 category vehicles with the power-to-mass ratio (PMR) of more than 50 W/kg (GRB-66-10). The Chair and the expert from Poland raised questions on referencing Global Technical Regulations (GTR) No. 15. The Chair also pointed out that the proposals should be accompanied with transitional provisions and invited the expert form EC to submit updated proposals to the next GRB session as an official document.
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GRB-66-10 | Proposal for amendments to UN Regulation No. 9 to introduce ASEP requirements for L4 and L5 category vehicles with PMR > 50 W/kg
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Proposal for amendments to UN Regulation No. 9 to introduce ASEP requirements for L4 and L5 category vehicles with PMR > 50 W/kg
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Reference Number: GRB-66-10
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Proposal to align ASEP for high powered L4 and L5 vehicles, used for passenger transport, is proposed in line with UN Regulation No 41.04 due to comparable sound emissions levels of L4 and L5 vehicles with the ones of L3 vehicles and the possibility of applying similar measurement methods for sound emissions for those vehicle categories. This is also supported by the Commission study on enhanced sound requirements for mopeds, quads and replacement silencers of L-category vehicles which resulted in amendments to UN Regulation Nos 9, 63 and 92 (ref. document WP.29/2017/2).
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Submitted by: EC
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Meeting Sessions: 66th GRB session (4-6
Sep 2017)
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Document date: 30 Aug 17
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Document status: Superseded
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Relevant to
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View full document file for more information
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