GFV-28-01 | Agenda for the 28th GFV informal group session

GFV-28-01/Rev.1 | Revised agenda for the 28th GFV informal group session

GFV-27-05 | Minutes of the 27th GFV informal group session

GFV-26-09 | Minutes of the 26th GFV informal group session

GFV-28-02 | Retrofit Heavy Duty Dual Fuel Overview and update on the proposed new regulation on retrofit dual-fuel systems for heavy-duty vehicles.

GFV-28-03 | Working draft of the proposed new regulation on heavy-duty dual-fuel retrofit systems Initial draft version of the new Regulation on "uniform provisions concerning the approval of specific LPG (liquefied petroleum gases) or NG (compressed natural gas/bio-methane/liquefied natural gas) dual fuel retrofit systems and dual fuel retrofitted engines to be installed in heavy duty applications".

GFV-28-05 | Proposal for amendments to Regulation No. 110 Copy of the proposal to introduce type approval provisions for "valve control at stop-start" into UN R110 (originally submitted to the Working Party on General Safety as document GRSG/2013/26 for consideration at their October 2013 session).

GFV-28-04 | Proposal for amendments to Regulation No. 67 Copy of the proposal to introduce type approval provisions for "valve control at stop-start" into UN R67, submitted to the Working Party on General Safety as document GRSG/2013/24 for consideration at its October 2013 session.

GFV-28-06 | Proposal for amendments to the draft Supplement 1 to the 01 series of amendments to Regulation No. 110 Copy of the proposal to clarify the text concerning automatic valves in the draft Supplement 1 to the 01 series of amendments to UN R110, submitted to the Working Party on General Safety as document GRSG/2013/28 for consideration at their October 2013 session.

GFV-28-07 | NG/Biomethane Fuel Specification in Europe Presentation on the European vehicle natural gas market and EC program to establish a European standard for a quality specification for biomethane to be used as a fuel for vehicle engines; and a Technical Specification or European Norm for a quality specification for biomethane to be injected into natural gas pipelines.