Informal Working Groups (IWGs) under GRB
Since June 2012, all documents concerning the meetings of IWGs under WP.29 and its Working Parties are uploaded in this working environment.
The documentation concerning specific IWG meetings can be accessed by browsing the menu located on the left hand side of this webpage or below.
- Motor Vehicle Noise Emissions (Regulation No. 51)
- Environmentally Friendly Vehicles (EFV) (GRPE)
- Motorcycle Noise Emissions (Regulation No. 41)
- Additional Sound Emission Provisions (ASEP)
- Quiet Road Transport Vehicles (QRTV)
- Special Tyre Definitions (STD) (GRRF)