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UPDATE: Audi, Skoda, VW Detail Scope of Diesel Emission Scandal

Volkswagen AG's Audi, Skoda and VW brands say 2.1 million, 1.2 million and 5 million of their diesel-powered vehicles, respectively, have been equipped with software that could cheat government emission tests.

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Volkswagen AG's Audi, Skoda and VW brands say 2.1 million, 1.2 million and 5 million of their diesel-powered vehicles, respectively, have been equipped with software that could cheat government emission tests. Targeted cars all are powered by diesels belonging to the company's family of "EA 189" 4-cylinder engines.

Audi says 1.4 million of its affected vehicles are in western Europe, including 577,000 in Germany. Another 13,000 diesels are in the U.S. Models that face updates are diesel-equipped (1.6- and 2.0-liter) A1, A3, A4, A5 and A6 sedans, TT roadsters and Q3 and Q5 crossover vehicles.

Skoda reports that 1.2 million of its cars are powered by engines containing the software. The unit has not yet provided a breakdown of the sales by region.

The VW brand calculates 5 million of its vehicles are affected. It notes that all diesel versions of its sixth-generation Golf hatchbacks and first-generation Tiguan crossover vehicles use EA 189 engines. The impending updates won't apply to vehicles equipped with diesels that meet EU6 emission standards a group that includes the current Golf, Passat sedan and Touran MPV models.

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