| 4 Jan 2011 | Agenda for the 12th GFV Informal Group session: revised | GFV-12-01/Rev.1 | 2011-01-04 | 
         
            | 10 Jan 2011 | Proposal for a corrigendum to supplement 4 of Regulation 115 (LG Europe) | GFV-12-02 | 2011-01-10 | 
         
            | 11 Jan 2011 | Heavy-Duty Dual Fuel (Diesel-gas) Regulation Status: January 2011 | GFV-12-03 | 2011-01-11 | 
         
            | 18 Feb 2011 | Minutes of the 12th GFV informal group session | GFV-12-04 | 2011-02-18 | 
         
            | 4 May 2011 | Proposal for an amendment to Regulation 83 introducing a new class of bi-fuel vehicle/gas system (LG Europe) | GFV-13-02 | 2011-05-04 | 
         
            | 4 May 2011 | Proposed amendment to Supplement 4 to Regulation 115 (ECE/TRANS/WP.29/2009/117) (LG Europe) | GFV-13-03 | 2011-05-04 | 
         
            | 31 May 2011 | Agenda for the 14th GFV Informal Group session | GFV-14-01 | 2011-05-31 | 
         
            | 31 May 2011 | Minutes of the 13th GFV informal group session | GFV-13-10 | 2011-05-31 | 
         
            | 31 May 2011 | Dutch Dual-Fuel (Gas/Diesel) Test Programme (Netherlands) | GAR-GFV-01 | 2011-05-31 | 
         
            | 31 May 2011 | Dutch Dual-Fuel Test Program: Information and Update (Netherlands) | GFV-13-09 | 2011-05-31 | 
         
            | 31 May 2011 | HDDF07 – Draft HDDF report to GFV as amended further in the GFV meeting | GFV-13-07 | 2011-05-31 | 
         
            | 31 May 2011 | HDDF power issues – draft proposals to GFV, outcome of the GFV meeting, amendments to R85 | GFV-13-08 | 2011-05-31 | 
         
            | 31 May 2011 | AEGPL feedback on the last GRSG session amendments to R67_01 (LG Europe) | GFV-13-06 | 2011-05-31 | 
         
            | 31 May 2011 | Bimix-fuel vehicles: Proposal of amendments to R115 and R83 (LG Europe) | GFV-13-04 | 2011-05-31 | 
         
            | 31 May 2011 | Proposal for an amendment to Regulation 115 introducing a new class of bi-fuel vehicle/gas system and clarifying the requirements between all the classes (LG Europe) | GFV-13-05 | 2011-05-31 | 
         
            | 31 May 2011 | Proposal for an amendment to Regulation 83 introducing a new class of bi-fuel vehicle/gas system (LG Europe) | GFV-14-02 | 2011-05-31 | 
         
            | 31 May 2011 | Proposal for an amendment to Regulation 115 introducing a new class of bi-fuel vehicle/gas system and clarifying the requirements between all the classes (LG Europe) | GFV-14-03 | 2011-05-31 | 
         
            | 14 Sep 2011 | Proposed changes to Supplement 4 to Regulation 115 (AEB Tech) | GFV-14-04 | 2011-09-14 | 
         
            | 14 Sep 2011 | Draft GFV report to GRPE | GFV-14-05 | 2011-09-14 | 
         
            | 14 Sep 2011 | Minutes of the 14th GFV informal group session | GFV-14-06 | 2011-09-14 | 
         
            | 22 Sep 2011 | Agenda for the 15th GFV Informal Group session | GFV-15-01 | 2011-09-22 | 
         
            | 22 Sep 2011 | Proposal for an amendment to R83 introducing a new class of bi-fuel vehicle/gas system (LG Europe) | GFV-15-02 | 2011-09-22 | 
         
            | 22 Sep 2011 | Proposal for an amendment to R115 introducing a new class of bi-fuel vehicle/gas system (LG Europe) | GFV-15-03 | 2011-09-22 | 
         
            | 13 Oct 2011 | Natural gas vehicle (NGV) industry terminology issues (CFC) | GFV-15-04 | 2011-10-13 | 
         
            | 13 Oct 2011 | HDDF task force progress report to GFV informal group (CFC) | GFV-15-05 | 2011-10-13 | 
         
            | 7 Dec 2011 | Minutes of the 15th GFV informal group session | GFV-15-06 | 2011-12-07 |