1 Jun 2018 EVE: ISO DIS 20768-Determination of power for propulsion of HEV (Japan and ISO) EVE-27-03 2018-06-01 Japan ISO
16 Oct 2018 Hybrid electric vehicle power determination: Open issues (Japan) EVE-28-05 2018-10-16 Japan
16 Oct 2018 Hybrid electric vehicle power determination: Analysis of validation results (Japan) EVE-28-06 2018-10-16 Japan
22 Dec 2018 Japan input on EV power determination (Japan) EVE-29-05 2018-12-22 Japan
4 Apr 2019 Japan input for HEV power determination (Japan) EVE-30-05 2019-04-04 Japan
4 Jun 2019 EV power determination: Analysis of revisited JARI test results with K factors (Japan and JARI) EVE-31-06/Rev.1 2019-06-04 Japan JARI
19 May 2019 EV power determination: Guidance material on intake manifold and fuel flow rate (Japan and JARI) EVE-31-07 2019-05-19 Japan JARI
4 Oct 2019 Japan input on EV Hybrid Power Determination (Japan) EVE-32-08 2019-10-04 Japan
14 Feb 2022 GTR 21: Input on EV power determination validation tests discussion (Japan) EVE-54-03 2022-02-14 Japan
16 Sep 2022 GTR 21: Input concerning integrated hybrid systems (Japan) EVE-57-08 2022-09-16 Japan
16 Sep 2022 GTR 21: Family Definition for System Power Determination (Japan) EVE-57-09 2022-09-16 Japan
19 Nov 2022 GTR 21: Revised proposal for Integrated Hybrid Systems (Japan) EVE-58-03 2022-11-19 Japan
5 Jan 2023 GTR 21: Presentation on family definition for EV power determination (Japan) EVE-59-02 2023-01-05 Japan
23 Mar 2023 Proposal for GTR 21 revision (Japan) EVE-60-10 2023-03-23 Japan
24 Apr 2023 Comment for GTR 21 Family definition (Japan) EVE-61-04 2023-04-24 Japan
14 Jul 2023 GTR 21: Proposal for system bench definitions (Japan) EVE-63-07 2023-07-14 Japan
18 Sep 2023 GTR 21: Proposal to expand the application of system bench measurement (Japan) EVE-64-08 2023-09-18 Japan
8 Apr 2024 GTR 21: Expansion of system bench application Phase 2 (Japan) EVE-69-04 2024-04-08 Japan
5 Sep 2024 Invitation to the 74th EVE informal group session (Japan) EVE-74-01/Rev.2 2024-09-05 Japan
13 Sep 2024 GTR 21: Proposals to allow "system bench" measurement for all vehicle types (Japan) EVE-74-15 2024-09-13 Japan
12 Feb 2025 GTR 21: Proposal to allow "system bench test" for all vehicle types (Japan) EVE-81-07/Rev.1 2025-02-12 Japan
15 Apr 2025 GTR 21: Phase 3 system bench test plan (Japan) EVE-84-11 2025-04-15 Japan
8 Jul 2025 GTR 21: System bench test proposal (Japan) EVE-86-04 2025-07-08 Japan
11 Sep 2025 GTR 21: Comment on FCEV procedure (Japan) EVE-88-12 2025-09-11 Japan
11 Sep 2025 GTR 21: "System Bench Test" results and update (Japan) EVE-88-13 2025-09-11 Japan
8 Dec 2025 GTR 21: Proposal on Force Tolerance of Chassis Dynamometers (Japan) EVE-92-09 2025-12-08 Japan
19 Dec 2025 GTR 21: Proposal on Force Tolerance of Chassis Dynamometers (Japan) EVE-93-03 2025-12-19 Japan
20 Feb GTR 21: Draft proposal to amend Working Document GRPE/2026/23 (Japan) EVE-94-10 2026-02-20 Japan
11 Oct 2024 UN R : determination of system power of hybrid electric vehicles and of pure electric vehicles having more than one electric machine for propulsion (EC, Japan, and OICA) GRPE-91-19/Rev.1 2024-10-11 Proposal for amendment to 2024/23, OICA proposal to transpose the content of UN GTR No. 21 into a new UN Regulation of the 1958 Agreement. EC Japan OICA