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THE EURO 6.2 STANDARD

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The European Union’s “Euro” standards impose emissions thresholds that cars must not exceed. Limits are lowered regularly, the latest are set by the Euro 6.2 standard.
Like the previous standards, Euro 6.2 sets emission thresholds for the following pollutant gases: NOx (nitrogen oxide), CO (carbon monoxide), fine particulate matter and unburned hydrocarbons. However, the standard does not set any limit on CO2 emissions.
The Euro 6.2 standard has been applicable since September 2017 for new vehicle types, and comes into force for all types in September 2018.

NEW MOTORS

TO RESPOND TO CHANGE OF STANDARD

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Citroën has anticipated the new regulation: its models are already all approved and comply with the new Euro 6.2 standard.

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With regard to NOx emissions, Groupe PSA vehicles equipped with Euro 6.2 engines complied three years ahead of the requirement, a compliance coefficient of 1.5 (RDE test), due to come into effect from January 2020.

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The new generation PureTech and BlueHDi engines allow Citroën to stay one step ahead regarding the next level of Euro 6 standard in 2020.

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IN ADDITION

TO THE ENTRY INTO FORCE OF EURO 6.2

Two certification protocols will become mandatory from September 2018: Worldwide Harmonized Light Vehicle Test Procedure (WLTP) and Real Driving Emissions (RDE). Accompanying the Euro 6.2 standard, they meet three distinct objectives: - reduce CO2 emissions, the main greenhouse gas responsible for climate change, - enable customers to better predict their real-use consumption from approved data, - complete laboratory tests with real driving emissions measurements for some kind of pollutants (for instance, NOx).

GLOSSARY

Euro standard
European emissions standards, known as Euro standards, are the maximum pollutant emissions limits for vehicles on the road, set by the European Union.
The Euro 6.2 standard is also called Euro 6.d-TEMP. In January 2020, the Euro 6.3 standard, also known as Euro 6.d or Euro 6.d full, will succeed.

NOx, CO2, Particulates, CO: Nitrogen Oxide, Carbon Dioxide, Fine Particles, Carbon Monoxide
Main emissions rejected by thermal engines, whose thresholds are fixed the European regulation.

WLTP: Worldwide harmonized Light vehicle Test Procedure
The WLTP is a new method of vehicle registration. It is a harmonized test procedure for determining the fuel consumption and the emissions level from cars.
This new procedure WLTP will introduce more realistic testing conditions than NEDC , in order to provide accurate information to customers.
The tests are under supervision of Technical Services (UTAC in France) based on standardized driving cycles (time, speed, equipment, temperature, etc.), in the same way for all manufacturers, and measure emissions as well as the fuel consumption of the vehicles.

RDE : Real Driving Emission
The Real Driving Emission will complement the WLTP, measuring pollutant such as NOx and particles emissions in number (PN), emitted by the car while driven on the road.
RDE ensures that cars deliver low emissions compared to laboratory tests, which is a significant leap in tests of cars emissions.

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