October 2015

Information Paper - Diesel light duty vehicle NOx emission factors

Recent news on emission control failures of diesel cars in the US and the EU have raised concerns on the representativity of diesel light duty vehicles emission factors, used for official reporting by parties to the LRTAP convention.

The ERMES group comprises lead independent institutes in the EU who are responsible for the development of road vehicles emission factors, used in the most widespread emission models, including COPERT, HBEFA, and VERSIT+.

ERMES partners would therefore like to share the following information with national experts and users of these emission factors and emission models.

Please read more here.