Real Driving Emissions testing: A game-changer for NOx to promote cleaner vehicles in the EU
The gap between the goal set by the regulation (i.e. the “limits”) and the real vehicle emissions on road was an issue, regarding in particular the excess of nitrogen oxides on diesel vehicles.
The isue was highlighted by JRC tests from 2012 and came to the attention of the public during the “diesel gate” in 2015. Investigations from the European Parliament revealed that the situation was caused by a combination of weaknesses in the vehicle emissions testing procedures and the enforcement system.
Prior to the diesel gate, the European Commission had already launched scientific studies and worked on more stringent testing procedures for emissions since 2007 based on testing under real driving conditions using portable equipment: the Real Driving Emissions (RDE).
Euro 6 vehicles type approved applying RDE testing procedure emit substantially less NOx emissions compared to vehicles type approved before the introduction of this new testing procedure.
CLAIROTTE Michael;
TUTUIANU Monica;
FERRARESE Christian;
GRUENING Carsten;
FRANZETTI Jacopo;
LOOS Robert;
MANARA Dario;
VALVERDE MORALES Victor;
MELAS Anastasios;
BONNEL Pierre;
2023-08-23
European Commission
JRC134453
https://publications.jrc.ec.europa.eu/repository/handle/JRC134453,
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