Global Technical Regulation No. 4: Test Procedure for Compression-ignition (C.I.) Engines and Positive-ignition (P.I.) Engines Fuelled with Natural Gas (NG) or Liquefied Petroleum Gas (LPG) with regard to the Emission of Pollutants

List of Past Meetings under WP.29
Date(s) Description Location Documents
10-14 Jan Pollution and Energy (GRPE-61) Geneva 40 10 Jan 2011 2011
8-11 Mar World Forum (WP.29-153) Geneva 114 8 Mar 2011 2011
9-12 Nov World Forum (WP.29-152) Geneva 113 9 Nov 2010 2010
22-25 Jun World Forum (WP.29-151) Geneva 73 22 Jun 2010 2010
7-11 Jun Pollution and Energy (GRPE-60) Geneva 48 7 Jun 2010 2010
6-10 Jun Pollution and Energy (GRPE-62) Geneva 36 6 Jun 2011 2011
21-24 Jun World Forum (WP.29-154) Geneva 83 21 Jun 2011 2011
15-18 Nov World Forum (WP.29-155) Geneva 125 15 Nov 2011 2011
17-20 Jan Pollution and Energy (GRPE-63) Geneva 42 17 Jan 2012 2012
13-16 Mar World Forum (WP.29-156) Geneva 84 13 Mar 2012 2012
5- 8 Jun Pollution and Energy (GRPE-64) Geneva 45 5 Jun 2012 2012
26-29 Jun World Forum (WP.29-157) Geneva 55 26 Jun 2012 2012
13-16 Nov World Forum (WP.29-158) Geneva 114 13 Nov 2012 2012
15-18 Jan Pollution and Energy (GRPE-65) Geneva 46 15 Jan 2013 2013
12-15 Mar World Forum (WP.29-159) Geneva 76 12 Mar 2013 2013
3- 7 Jun Pollution and Energy (GRPE-66) Geneva 58 3 Jun 2013 2013
25-28 Jun World Forum (WP.29-160) Geneva 84 25 Jun 2013 2013
12-15 Nov World Forum (WP.29-161) Geneva 102 12 Nov 2013 2013
7-10 Jan Pollution and Energy (GRPE-68) Geneva 40 7 Jan 2014 2014
11-14 Mar World Forum (WP.29-162) Geneva 66 11 Mar 2014 2014
5- 6 Jun Pollution and Energy (GRPE-69) Geneva 44 5 Jun 2014 2014
24-27 Jun World Forum (WP.29-163) Geneva 51 24 Jun 2014 2014
11-14 Nov World Forum (WP.29-164) Geneva 85 11 Nov 2014 2014
13-16 Jan Pollution and Energy (GRPE-70) Geneva 41 13 Jan 2015 2015
10-13 Mar World Forum (WP.29-165) Geneva 79 10 Mar 2015 2015
9-12 Jun Pollution and Energy (GRPE-71) Geneva 39 9 Jun 2015 2015
10-13 Nov World Forum (WP.29-167) Geneva 69 10 Nov 2015 2015
12-15 Jan Pollution and Energy (GRPE-72) Geneva 38 12 Jan 2016 2016
8-11 Mar World Forum (WP.29-168) Geneva 56 8 Mar 2016 2016
7-10 Jun Pollution and Energy (GRPE-73) Geneva 36 7 Jun 2016 2016
10-13 Jan Pollution and Energy (GRPE-74) Geneva 36 10 Jan 2017 2017
6- 9 Jun Pollution and Energy (GRPE-75) Geneva 35 6 Jun 2017 2017
9-12 Jan Pollution and Energy (GRPE-76) Geneva 53 9 Jan 2018 2018
12-16 Mar World Forum (WP.29-174) Geneva 62 12 Mar 2018 2018
4- 8 Jun Pollution and Energy (GRPE-77) Geneva 42 4 Jun 2018 2018
7-11 Jan Pollution and Energy (GRPE-78) Geneva 43 7 Jan 2019 2019
24-28 Jun World Forum (WP.29-178) Geneva 78 24 Jun 2019 2019
12-14 Nov World Forum (WP.29-179) Geneva 93 12 Nov 2019 2019
14-17 Jan Pollution and Energy (GRPE-80) Geneva 53 14 Jan 2020 2020
9-12 Mar World Forum (WP.29-180) Geneva 82 9 Mar 2020 2020
9-12 Jun Pollution and Energy (GRPE-81) Video conference 48 9 Jun 2020 2020
24 Jun World Forum (WP.29-181) Geneva 65 24 Jun 2020 2020
10-12 Nov World Forum (WP.29-182) Hybrid session 69 10 Nov 2020 2020
12-15 Jan Pollution and Energy (GRPE-82) Geneva 47 12 Jan 2021 2021
9-11 Mar World Forum (WP.29-183) Web conference 90 9 Mar 2021 2021
22-24 Jun World Forum (WP.29-184) Web conference 48 22 Jun 2021 2021
1- 4 Jun Pollution and Energy (GRPE-83) Web conference 47 1 Jun 2021 2021