Informal Group
Worldwide Harmonized Light Vehicles Emissions Test Procedure (WLTP)

Reports to: GRPE
Session 1 4 Jun 2008 1 2008-06-04
Session 2 14 Jan 2009 2 2009-01-14
Session 3 10 Jun 2009 3 2009-06-10
Session 4 13 Jan 2010 4 2010-01-13
Session 5 8 Jan 2014 5 2014-01-08
Session 6 26-28 Mar 2014 6 2014-03-26
Session 7 4 Jun 2014 7 2014-06-04
Session 9 14 Jan 2015 9 2015-01-14
Session 8 18-20 Nov 2014 8 2014-11-18
Session 10 14-16 Apr 2015 10 2015-04-14
Session 11 9-10 Jun 2015 11 2015-06-09
Session 12 28 Sep-2 Oct 2015 12 2015-09-28
Session 13 11-12 Jan 2016 13 2016-01-11
Session 14 26-28 Apr 2016 14 2016-04-26
Session 15 7 Jun 2016 15 2016-06-07
Session 16 6-7 Oct 2016 16 2016-10-06
Session 17 10 Jan 2017 17 2017-01-10
Session 18 18-20 Apr 2017 18 2017-04-18
Session 19 6 Jun 2017 19 2017-06-06
Session 20 26-28 Sep 2017 20 2017-09-26
Session 21 9 Jan 2018 21 2018-01-09
Session 23 4-5 Jun 2018 23 2018-06-04
Session 22 17-20 Apr 2018 22 2018-04-17
Session 24 18-21 Sep 2018 24 2018-09-18
Session 25 7 Jan 2019 25 2019-01-07
Session 26 15-18 Apr 2019 26 2019-04-15
Session 27 20-21 May 2019 27 2019-05-20
Session 28 23-27 Sep 2019 28 2019-09-23
Session 29 13 Jan 29 2020-01-13
Session 30 14-15 Apr 30 2020-04-14
WLTP Intermediate Meeting 19-20 Feb 29 2020-02-19
Session 31 4 Jun 31 2020-06-04
Recent documents submitted to WLTP
Groups reporting to WLTP
Please note that some groups may no longer be active.
LTTF WLTP Low Temperature Task Force Last session: June 2020 Latest session 2020
TFCoP WLTP Task Force on Conformity of Production Last session: December 2019 Latest session 2019
WLTP-DHC Informal Subgroup on the Development of the Harmonized driving Cycle Last session: June 2013 Latest session 2013
WLTP-DTP Informal Subgroup on the Development of the WLTP Test Procedure Last session: June 2013 Latest session 2013
WLTP-OBD WLTP OBD Task Force Last session: March 2020 Latest session 2020
WLTP-SG-Drafting WLTP Drafting Subgroup Last session: October 2015 Latest session 2015
WLTP-SG-EV WLTP Subgroup on Electrified Vehicles Last session: May 2020 Latest session 2020
WLTP-TTF WLTP Transposition Task Force Last session: January 2020 Latest session 2020
Subjects directly under WLTP
Please note that some items may no longer be active.
GTR No. 15 WLTP Last updated: September 2020 GTR 15
GTR No. 19 Evaporative emissions Last updated: April 2020 GTR 19
Light Vehicle OBD Last updated: June 2020 Program
UN R154 WLTP Type Approval Last updated: July 2020 UNR 154