Revised submission by the Chair of the informal group on Gaseous Fuelled Vehicles (GFV) to redefine the class of bi-fuel vehicles to permit the simultaneous use of gas and petrol in gas mode in UN Regulation No. 115. This document succeeds Informal document GRPE-63-06-Rev.1 and replaces GRPE/2012/7.

Submission prepared by the Chair of the informal group on Gaseous Fuelled Vehicles (GFV) to correct a measurement error contained in documents GRPE/2012/6 (concerning UN R83) and GRPE/2012/7 (concerning UN R115) when weighing method and G25 reference fuel are used.

Submission prepared by the Chair of the informal group on Gaseous Fuelled Vehicles (GFV) to correct measurement errors contained in documents GRPE/2012/6 (concerning UN R83) and GRPE/2012/7 (concerning UN R115) when weighing method and G20/G25 reference fuels are used.

Presentation on the status of GFV activities, including for heavy-duty dual-fuel vehicles, bi-fuel gas vehicles, liquefied natural gas (LNG) vehicles, and support to the European Commission concerning THC/CH4 (methane).