(AOF) – Following the revelation of serious misconduct of the Volkswagen group on pollutant emissions from its vehicles, Ségolène Royal has requested the opening of a full investigation. 52 first vehicles were tested: 9 Peugeot vehicles, 6 Citroën, 12 Renault, 1 Dacia, 2 Nissan, 5 Volkswagen, 1 Audi 4 Ford 3 Mercedes, 3 Opel, 2 Toyota 1 BMW, 1 Jeep, 1 Kia and 1 Fiat. Vehicles with EGR + SCR technology rather have good results in terms of emissions of nitrogen oxide under test.
A large majority of Euro 6 equipped with EGR technology vehicles + NOx Trap have abnormalities, including actual NOx emissions to five times the standard. Some vehicles from two different manufacturers have ten times higher deviations from the norm.
The vehicles Euro 4 and Euro 5, present mostly of CO2 emissions related anomalies.
Two models of the Volkswagen group far exceed the standard acceptable. These vehicles have detected the change in cycle and disconnected their pollution control system on the second test. Twelve other vehicles tested Euro 5 or Euro 6, have achieved results exceeding the coefficient of 1.5.
Finally, in real conditions of use (D3) the differences are significant, three-quarters of vehicles tested have superior emissions by 20% to 50% to the statement.
the relevant manufacturers were invited to provide explanations on the causes of these over to members of the independent commission.
the Ministry of environment, energy and the sea indicated that the future European regulation Real Driving Issue provides an out of tolerance by a factor of 2.1 from 2019 for all new vehicles then 1.5 starting in 2023 for all new vehicles.
The environment minister deplored the lack of ambition of this standard.
In addition, the first series of tests shows that, apart from two Volkswagen models already incriminated, further investigations are needed to Ford, Opel, Mercedes Benz, Renault / Dacia, Nissan, PSA ., Fiat / Chrysler and Kia either to gaps in NOx either for CO2 spreads
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