|  | IWG on Heavy Duty FE Harmonization: Terms of Reference (OICA) |  | 2024-10-15 | 
|  | 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 |  | 2024-06-25 | 
|  | HD Fuel Economy Harmonisation (OICA) |  | 2024-01-10 |