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.
THC and CH4 emission limits for vehicles equipped with engines running on natural gas
Reference Number: GFV-18-06
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).
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.