ROUNDUP: Opel defend his exhaust technology – Investing.com German

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Investing.com German

ROUNDUP: Opel defend his exhaust technology Investing.com German RÜSSELSHEIM (AFX) – the dispute over diesel exhaust has the automaker Opel’s technology defended again. In a comprehensive opinion, the company reported on Friday manipulation allegations and explained technical & nbsp; … and other & nbsp; & raquo;