Monday, October 5, 2015

“Optimization software”: As banal confesses VW customers the exhaust … – ABC Online

Monday, 05.10.2015, 09:39 · FOCUS-Online-editor Sebastian Viehmann
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Millions VW owners can now find on the Internet, whether plugged in their diesel engines the Cheat Code. From insight into our own criminal energy of the group, the customers read it but only on the edge.

The Volkswagen Group has in a unprecedented trickery the biggest crisis in its history maneuvered. However, its customers, he tried the exhaust manipulation possible harmless for sale. VW drivers can on the Internet check by VIN if their diesel engine is affected by the affair .. It is about the turbodiesel with the designation EA189, which is installed in many cars of VW, Audi or Skoda.



“emission values ​​optimized”

The deception circumnavigated VW rather euphemistically, as the example of a VW Golf VI 2.0 TDI is built in 2013: “We must inform you that, unfortunately, in your car (…) built diesel engine (…) is affected by a software that nitric oxide levels (NOx) in Checks static test (NEDC) optimized, “it says in the statement. Man now working on a “technical solution”.

At first glance, this reads like an ordinary recall due to a software error. About the facts know the customer in any case of VW nothing. After all: “We deeply regret that we have your confidence disappointed”, is on the release

Brand massively damaged

The exhaust scandal, meanwhile, has the Volkswagen brand already harmed massively. , “In the published on Monday annual ranking of most valuable brands in the determined by Interbrand value for Europe’s largest carmaker fell by nine percent to $ 12.45 billion (11.1 billion euros),” reports the news agency dpa. In ranking Volkswagen slid by 31 from the 35th place.

What threatens affected motorists?

Until October 7 VW must submit a plan to the vehicles involved in the future to comply with the emission limits of the Federal Motor Transport Authority (KBA).

According to experts, not yet clear whether it is done on all vehicles with a software update. In addition, it remains unclear whether subject to change consumption and performance of the vehicles after the revision. This is likely to be decisive for the question of whether, for example, customers are able to challenge the deed for betrofffene cars later.

In future measurement in real mode

The German auto industry has done a great disservice in any case Volkswagen. For now should the agreement reached several months ago decision to include the exhaust gas measurement in real driving conditions in the new consumption cycle WLTP (see info box), also through still so much lobbying hardly be softened.

Usage: The mean NEDC, WLTP and RDE

The automotive industry is facing an important change: The old measuring cycle for the fuel consumption (NEDC) is to be replaced by a new, globally applicable cycle (WLTP). This should make the fuel consumption figures closer to reality. These terms also play a role:

CO2 limits: based on the emissions of Although classified not as a pollutant, but harmful to the global climate CO2 the motor vehicle tax. New cars on average to 2020 only 95 grams of CO2 per kilometer blown out of the exhaust

NEDC (New European Driving Cycle). Since the early 90 Years are measured uniformly in the NEDC fuel consumption and emissions. Sense is the comparability between models from different manufacturers. However, the consumption figures only be measured on the dynamometer, and the automaker can embellish with various tricks, the measurement results according to experts

WLTP (Worlwide Harmonized Light Duty Test Procedure).: In the future, the WLTP replace the NEDC. The new standard is from 2017 – are introduced – but only gradually. Thus, the vehicle manufacturer may continue to use the NEDC for determining the loans granted by the EU limit value of 95 grams of CO2 emissions by 2020. In the new cycle, inter alia, higher speeds (maximum 131 km / h instead of 120 previously) to be driven, the extra weight of special equipment is taken into account and there is a lower proportion of life. Preliminary measurements show: Many cars use the new cycle now more than before, but some less

RDE (Real Drive emissions). From 2017 is provided , using portable measurement systems, the so-called PEMS (Portable Emissions Measurement Systems), to check the air pollutant emissions from passenger cars on the road. The car is in this case therefore does not move on a chassis dynamometer, but in real traffic – and the exhaust gases are measured directly at the exhaust. RDE is to be part of WLTP also by the will of the German government

Blue Plaque:. The German Environmental Aid (DUH) calls next RDE measurements introducing a new environmental zone Plakatte that should mark particularly clean cars. Even those who have a green sticker, should no longer drive in certain environmental areas inside. It’s all about nitrogen oxide emissions. The requirements for the blue badge would be indeed full of many (even older) gasoline vehicles, but not by many diesel vehicles -. Not even by all cars, already meet the 6 standard Euro

particle filter: While diesel particulate filters and other forms of exhaust aftertreatment are used worldwide, particulate filters for gasoline engines are only now ready for series production. You could for the exhaust gas norm Euro 6c are necessary and should reduce the emission of soot particles, especially in engines with direct injection.

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