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VW, Mercedes, Opel, Fiat launch buybacks of dirtiest diesels in Europe

Green Car Reports

The news that VW Group engineers had deliberately cheated on eight years of emission tests for the "clean diesels" sold by Volkswagen, Audi, and Porsche sent shockwaves around the world. Almost two years ago, the Volkswagen diesel emission scandal burst into public view, and nothing has been quite the same since then.

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