WLTP GTR 15 WLTP-09-18e Report by Drafting Coordinator, Serge Dubuc 4/22/2019

Recent History WLTP-09-18e The GTR (ECE/TRANS/WP.29/2014/27) was uploaded to the UN ECE server on January 7, 2015. 4/22/2019

Comments on tracking changes WLTP-09-18e Minor editorial changes can be found by searching for “GTR CORRECTION” or by using the “next element” option tracking feature in Word Items which have not yet received feedback from experts can be found by searching for “OPEN POINTS” Items having received expert feedback can be found searching for “EXPERT APPROVAL” Items having been approved by the Informal Working Group can be found searching for “CONFIRMATION” 4/22/2019

Developments since WLTP IWG Meeting #8 (Pune) [page 1 of 2] WLTP-09-18e All modifications to the GTR agreed upon at the above-mentioned meeting may be found by searching the 19.12.2014 version of the GTR for the term "Pune". As a result of that meeting, the following items (amongst others) were incorporated into the GTR: Adoption of the definition of mass in running order OIL #4 to #9 regarding downscaling, gear shifting, modification of nmin_drive and nmax, determination of engine speed, deceleration phases, and replacing the shifting time from 3 seconds to 2 seconds OIL #12, 21 regarding the definition of reference speed points OIL #19 regarding an alternative warm-up procedure OIL #23 regarding 4WD dynamometer specifications 4/22/2019

Developments since WLTP IWG Meeting #8 (Pune) [page 2 of 2] WLTP-09-18e As a result of that meeting, the following items were incorporated into the GTR (continuation of the previous page): Clarification of the soak/type 1 test temperatures OIL #47 regarding the fuel consumption interpolation method OIL #49 regarding the calculation of CO2 for an individual vehicle 4/22/2019

Future work Processing those items adopted during WLTP IWG meeting 9. WLTP-09-18e Processing those items adopted during WLTP IWG meeting 9. Incorporating decisions made by the VPSD group once they have been approved by the appropriate experts. All GTR corrections, open points, and expert proposals have been collected in a PowerPoint file consisting of more than 109 slides. Meetings will be organized to process the 109+ slides where "process" means checking the technical and legislative robustness of the content of the slides. 4/22/2019

Future GTR Milestones WLTP-09-18e 01.01.2016 01.01.2017 01.01.2015 GRPE 71st Session, June 2015 GTR 15 Informal Document still in progress GRPE 72nd Session, Jan. 2016 GTR 15 Working Document to be approved Adoption of GTR 15 by WP.29 (WP.29 meetings always take place in March, June and November) 01.01.2016 01.01.2017 01.01.2015 GTR must reach UN ECE 12 weeks before a GRPE meeting, in this case, at the start of October in order to be approved at the January 2016 GRPE 4/22/2019