Documents (Latest posted on 28 Dec 2020)

This project, as currently envisioned, would result in an amendment to Global Technical Regulation 4: Worldwide Harmonized Heavy-Duty Emissions Certification Procedure (WHDC).

Related groups: GRPE, HDH, and HDH-DG

The UNECE server hosting WP.29 informal working documents will be down on 16 October 2020 (Friday) for an upgrade from 17:30 to 18:00 CEST. During this period, you may not be able to download informal working group documents.

16 October 2020-10-16 2020-10-16

The UNECE website is undergoing a major upgrade on 14 December 2020. Access to WP.29 documents via GAR may be interrupted by this work.

14 December 2020-12-14 2020-12-14
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