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Proposed Road Map for the development of a gtr on Worldwide harmonized Light vehicles

Informal document No . WP.29-148-22 (148 th WP.29, 23-26 June 2009, agenda item 17.4). Proposed Road Map for the development of a gtr on Worldwide harmonized Light vehicles emission Test procedures (WLTP) (58 th GRPE, 11 June 2009).

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Proposed Road Map for the development of a gtr on Worldwide harmonized Light vehicles

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  1. Informal document No. WP.29-148-22 (148th WP.29, 23-26 June 2009, agenda item 17.4) Proposed Road Map for the development of a gtr on Worldwide harmonized Light vehicles emission Test procedures (WLTP) (58th GRPE, 11 June 2009)

  2. Prior to 3rd WLTP informal meeting, a drafting group meeting was held in March and April 2009 (hosted by EC) to finalize the draft roadmap. • Attendee : European Commission, France, • Germany, India, Japan, NL, Sweden, UK, • USA, AECC,FIA,OICA and Technical Secretary. • Meeting Outcome : • Finalize the proposed WLTP roadmap ( WLTP-03-03, -04, -05 ) • 2. List of open issues to be discussed at 3rd meeting of the WLTP informal group and at 58th GRPE session ( WLTP-03-02 )

  3. GRPE discussion of the proposed Roadmap • Three Phases Concept : Accepted • Project Work during each Phase and Schedule Phase I (2009 ~ 2013) Phase II (2014 ~ 2018) Phase III (2019 ~ 2021) DHC (Worldwide Harmonized Light Duty Driving Cycle) Low Temperature High Altitude Emission Limit OBD Thresholds WP.29/AC.3 Durability Reference Fuel Properties DTP Test Procedure WP.29/AC.3 In-Service Conformity Correlation with existing regional cycles WP.29/AC.3 OCE Off-Cycle Requirement OBD MAC (Mobile Air Conditioning) Other GTR

  4. WLTP Informal Group Chaired by Mr. B. GAUVIN Secretary : N. ICHIKAWA Organization during Phase I Work gtr TEXT Group Chaired by TBD Technical Sub-Groups DHC Group Chaired by TBD DTP Group Chaired by TBD OCE Group MAC Group

  5. Next steps Sub-group (DHC) meeting : TBD (After Summer break) 4th WLTP informal - One full-day meeting: 13th January 2010 58th GRPE 59th GRPE DHC : 1st Meeting DHC : 2nd Meeting DHC Chairman DHC Meeting WLTP-3 Jun. 09 WLTP-4 Jan. 10 (if necessary) 1st Draft Methodology Proposed Methodology Data collection CPs data collection plan 1st Draft data collection plan 4 weeks 2 weeks TBD Comment should be sent to Mr. ICHIKAWA, Technical Secretariat; nick@ichikawa.tec.toyota.co.jp

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