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Progress report of the informal group on REC

This document provides updates on progress and proposed amendments for the draft regulations regarding engine systems. Discussions include deletion of paragraphs, cap limits on NO2 emissions, improved testing sequence graphs, and issues on class 2 systems and higher-stage requirements.

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Progress report of the informal group on REC

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  1. Transmitted by REC Informal document No. GRPE-66-4266thGRPE, 3-7 June 2013 agenda item 4(b) Progress report of the informal group on REC 66th GRPE, 6 June 2013 Henk Baarbé

  2. State of Play Draft Regulation is ready (ECE/TRANS/WP.29/GRPE/2013/6) Some amendments proposed (GRPE-66-28), to be discussed during GRPE 66

  3. Amendments proposed for draft Regulation • Deletion of paragraph 8.2.3. • Cap on incremental direct NO2 set on 30% • Improved graphs showing the sequence of testing (annex 8). Items 1 and 2 will be discussed again for the 01 series of amendments

  4. State of Play Draft 01 series of amendments is ready (GRPE-66-07) but still discussion about: • Direct NO2 emissions for class 2 systems • Inclusion in the scope of systems for engines for which there is no higher stage of requirements to be upgraded to

  5. Outstanding issues Cap on direct NO2 emissions for class 2 systems. Discussion focussedon: Should the cap be 20% or 30%? Arguments pro and contra and background information in informal document GRPE-66-08

  6. Outstanding issues Approval for systems for engines for which there is no higher stage of emission requirements to be upgraded to Two views: • Systems for retrofitting engines that fulfil the latest requirements should not be included in the scope. Expressed by Euromot/OICA. • Harmonisation of requirements is not complete if such systems, for which there is a market, are not included in the scope. Expressed by Switzerland and other CP.

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