Proposal based on Informal document GRB-54-03 submitted by the expert from Germany and on Informal document GRB-55-01 submitted by the expert from Japan, including limit values with some modification of threshold of subcategories, which could be the basis of a common position.

China comments on Japanese proposal concerning vehicle categories and noise-limit values.

Discussion paper towards defining vehicle subcategories capable of addressing range of vehicles found in Chinese market, including high‐performance coupes, sports cars, saloon cars, SUV, MPV, Kei‐cars, Kei‐trucks, mini‐buses, mini‐trucks and so on.

Presentation in support of document GRB-58-06 proposing amendments to UN R51 with regard to the categorization of flat-front light (kei) commercial vehicles.

Amendments agreed to document GRB-58-04 during the 58th session of GRB.

Presentation in support of the proposal for additional vehicle categories and sound emission level requirements under UN R51. A “Flat Front Light N1 Vehicle” is defined as:

• GVM ≤ 2.5 ton
• PMR (power to mass ratio) of GVM ≤ 35kW/t
• Engine capacity ≤ 660cc
• d value<1,100mm

Text prepared by the GRB Expert Group on Regulation 51 and revised during the GRB-59 session consolidating the proposed 03 series of amendments to UN Regulation No 51 developed during the informal group’s fourth meeting in Brussels on July 4 plus additions from November 8. This version removes references to “acoustic vehicle alerting systems” (AVAS)

Revised mandate (with changes marked up) as approved by the GRB at its January 2014 session for the informal working group established to finalize revisions to UN Regulation No. 51 and UN Regulation No. 59 with a view towards their alignment with the latest European Union decision concerning noise emissions from vehicles having at least four wheels.

Text prepared by the GRB Expert Group on Regulation 51 and revised during the GRB-59 session consolidating the proposed 03 series of amendments to UN Regulation No 51 developed during the informal group’s fourth meeting in Brussels on July 4 plus additions from November 8. This version removes references to “acoustic vehicle alerting systems” (AVAS)