GFV overview of existing emission definitions applicable to light and heavy duty vehicles in EU and UNECE legislation, including certain definitions currently (February 2012) under discussion, in order to identify possible inconsistencies.

Proposal from the GFV informal group concerning definitions for mono-fuel and bi-fuel vehicles, for engine start-up in petrol mode, and provisions for petrol direct-injection engines under UN R115.

Comments from Poland on the Gaseous Fueled Vehicles (GFV) informal group proposal to redefine the class of bi-fuel vehicles under UN R83 in order to permit the simultaneous use of gas and petrol while in gas mode.

Comments from Poland on the Gaseous Fueled Vehicles (GFV) informal group proposal to redefine the class of bi-fuel vehicles under UN R115 in order to permit the simultaneous use of gas and petrol while in gas mode.

GFV informal group input for a revision of the THC and methane (CH4) emission limits for vehicles equipped with engines running on natural gas (Euro 6 Light Duty Vehicles and Euro VI Heavy Duty Engines).