Uniform provisions concerning the approval of Heavy Duty Dual-Fuel Engine Retrofit Systems (HDDF-ERS) to be installed on heavy duty diesel engines and vehicles

Related groups: GFV, GRPE, and HDDF
Notifications

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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