Volkswagen has confirmed that some Audi cars are equipped with software that can distort carbon dioxide emissions test results, as authorities in Europe and the US open investigations into the German automaker. As Reuters reports, the software installed on automatic transmission Audis allows the cars to behave differently during testing, resulting in inaccurate emissions test results.

German newspaper Bild am Sonntag reported last week that the California Air Resources Board discovered the software in an older Audi model over the summer, adding that the technology had been used in other diesel and petrol cars in Europe. Citing a confidential document, Sueddeutsche Zeitung reported over the weekend that the automatic transmission…

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