WLTP 04/05 Series Ad Hoc Group (WLTP-AH) reports to GRPE
16 Jan 2025 WLTP 04/05 Series Ad Hoc Group: Agenda for the 3rd (January 2025) session WLTP-AH-03-01
17 Jan 2025 UN R154: Observations on implementation of Euro 7 provisions (Japan) WLTP-AH-03-02
19 Jan 2025 UN R154: Table of proposed items for the 04/05 series of amendments WLTP-AH-03-04
19 Jan 2025 UN R154: 04/05 series of amendments-next actions WLTP-AH-03-05
7 Mar 2025 UN R154: Draft Supplement to the 02 series of amendments (OICA) WLTP-AH-04-02
7 Mar 2025 UN R154: Draft proposal for a Supplement to the 03 series of amendments WLTP-AH-04-03
16 Mar 2025 UN R154: Ad Hoc WLTP group overall summary of request for GRPE review/approval on new series WLTP-AH-04-04
16 Mar 2025 UN R154: Proposal for new series of amendments (EC, Japan, Korea, OICA, Sweden, Switzerland, and UK) WLTP-AH-04-05
18 Mar 2025 UN R154: Proposal for a new series of amendments GRPE-92-09/Rev.1
25 May 2025 WLTP 04/05 Series Ad Hoc Group: Agenda for the 5th (May 2025) session WLTP-AH-05-01
25 May 2025 UN R154: Summary of working draft 04 series of amendments WLTP-AH-05-04
28 May 2025 UN R154: On-board fuel consumption monitoring (OBFCM) comparison WLTP-AH-05-03
24 Jun 2025 WLTP 04/05 Series Ad Hoc Group: Agenda for the 6th (June 2025) session WLTP-AH-06-01
24 Jun 2025 UN R154: On-Board Fuel Consumption Monitoring comparison across series WLTP-AH-06-03
24 Jun 2025 UN R154: Summary of 04 series of amendments items WLTP-AH-06-02
25 Jun 2025 Small Volume Manufacturers in UN Regulations (OICA) WLTP-AH-06-04
25 Jun 2025 Discussion Paper on consideration of “Recuperation Energy” WLTP-AH-06-05
10 Sep 2025 GTR 22 transposition into UNR: DIscussion starter WLTP-AH-LDN-01
10 Sep 2025 UN R154: Particle number amendments to GRVA/2025/15 WLTP-AH-LDN-03
13 Sep 2025 UN R154: Proposal for On-Board Monitoring provisions (OICA) WLTP-AH-LDN-10
13 Sep 2025 UN R83: Proposal to amend GRPE/2025/16 with regard to special purpose vehicles (OICA) WLTP-AH-LDN-08
13 Sep 2025 UN R154: Proposal to amend GRPE/2025/15 with regard to special purpose vehicles (OICA) WLTP-AH-LDN-06
13 Sep 2025 UN R154: Comments on draft 04 series of amendments (France and Japan) WLTP-AH-LDN-04/Rev.1
13 Sep 2025 UN R154: Comments on GRPE/2025/15 (UTAC) WLTP-AH-LDN-05
15 Sep 2025 Special purpose vehicles under UN Regulations (OICA) WLTP-AH-LDN-07
15 Sep 2025 UN R168: Proposal to amend GRPE/2025/20 with regard to special purpose vehicles (OICA) WLTP-AH-LDN-09
16 Sep 2025 UN R154: Amendments mainly on OVC/FCHV provisions WLTP-AH-LDN-02/Rev.2
16 Sep 2025 UN R154: Summary of OVC/FCHV modifications WLTP-AH-LDN-11
17 Sep 2025 UN R168: Comments on the proposed 01 series of amendments (Japan) WLTP-AH-LDN-12
17 Sep 2025 UN R154: Low-temperature test procedure for range determination of PEV (CLEPA) WLTP-AH-LDN-13
17 Sep 2025 UN R154: Mark-up for Level 1C provisions WLTP-AH-LDN-14
17 Sep 2025 UN R154: Level 1C short option WLTP-AH-LDN-15
18 Sep 2025 UN R154: Draft amendments for on-board fuel-consumption monitoring WLTP-AH-LDN-17
18 Sep 2025 UN R154: Comments and amendments to the proposal for a new series (GRPE/2025/15) (Japan) WLTP-AH-LDN-16
19 Sep 2025 On-Board Fuel Consumption Monitoring: PHEV/PEV (ACEA) WLTP-AH-LDN-18
27 Nov 2025 UN R154: Comments on application of levels in draft series of amendments (Japan) WLTP-AH-08-01/Rev.1
27 Nov 2025 UN R154: Draft amended GRPE-93-29 without Level 1-C WLTP-AH-08-02/Rev.1
27 Nov 2025 UN R154: Revised informal GRPE-93-20 amending formal GRPE/2025/15 without Level 1C WLTP-AH-08-03
28 Nov 2025 Next actions for development of UN R154 and R168 WLTP-AH-08-04
4 Dec 2025 Next Actions on UNR154 (and UNR168) WLTP-AH-09-01
4 Dec 2025 UN R83: Working draft proposal for a Supplement to the 09 series of amendments WLTP-AH-09-02
4 Dec 2025 UN R154: Working draft proposal for a Supplement WLTP-AH-09-03
9 Dec 2025 UN R154: Issues identified with regard to electric vehicles (OICA) WLTP-AH-09-04
11 Dec 2025 UN R154: Draft Supplement to the 04 series of amendments WLTP-AH-09-05
11 Dec 2025 UN R83: Draft Supplement for the 09 series of amendments WLTP-AH-09-06