10 January 2024 HD Fuel Economy Harmonisation (OICA) GRPE-90-38	GRPE-90-38	2024-01-10
25 June 2024 Draft minutes of GRPE workshops on harmonization of heavy-duty vehicle fuel economy, energy consumption and range determination and on the future of power determination regulations WP.29-193-14	WP.29-193-14	2024-06-25
15 October 2024 IWG on Heavy Duty FE Harmonization: Terms of Reference (OICA) GRPE-91-35	GRPE-91-35	2024-10-15