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| Document Title | Background of the proposals for amending UN R49: Revision 6 | ||||||||
| Reference Number | GRPE-69-08 | ||||||||
| Date |
6 May 2014
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| Summary | Explanation and rationale for the proposal to update OBD threshold limits and align UN R49 with the latest EU OBD requirements. | ||||||||
| Source(s) | OICA | ||||||||
| Rulemaking Area(s) | UN R49 Diesel/CNG/LNG Engine Emissions | ||||||||
| Meeting(s) | |||||||||
| Related Documents | |||||||||
| GRPE/2014/12 | Proposal for amendments to Regulation No. 49 (superseded) | ||||||||
| GRPE-69-07 | Proposal for amendments to document GRPE/2014/12 (superseded) | ||||||||
| WP.29/2014/74 | Proposal for Supplement 8 to the 05 series of amendments to Regulation No. 49 (superseded) | ||||||||
| Downloads | |||||||||
| UNECE server | .pdf format | ||||||||
| Excerpts from session reports related to this document | |||||||||
| GRPE | Session 69 | 5-6 Jun 2014 |
20. The expert from OICA presented GRPE-69-08 introducing a proposal (ECE/TRANS/WP.29/GRPE/2014/12 as amended by GRPE-69-07-Rev.1) for a new Supplement to UN Regulation No. 49 (i) harmonizing the provisions on On Board Diagnosis Threshold Limits (OTLs) with those of the EU, (ii) deleting the urea consumption motoring obligation as well as improving definitions, (iii) modifying the operating sequence definition for stop-start and hybrid vehicles and (iv) introducing an alternative service mode for LNG dual-fuel vehicles. GRPE adopted ECE/TRANS/WP.29/GRPE/2014/12 as amended by GRPE-69-30 (containing GRPE-69-07-Rev.1 as well as the correction proposed by the expert from NGV Global) and reproduced in Addendum 1 to this report. GRPE requested the secretariat to submit it to WP.29 and AC.1, for consideration at their November 2014 sessions as Supplement 8 to the 05 series of amendments to Regulation No. 49. The expert from the United Kingdom noted that the proposal didn’t comply with the transitional provisions guidelines by WP.29 and would have to be amended at a later stage accordingly. |
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