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1 person in custody after raids at Porsche

Prosecutors say one person is in custody in an investigation of current and former managers at automaker Porsche, a unit of Volkswagen, over the company's diesel emissions scandal.

GM replaces Cadillac president after US sales decline

General Motors has replaced the head of its Cadillac luxury brand, which has struggled for years to compete against German and Japanese luxury automakers in the U.S. The company says Steve Carlisle will replace Johan de Nysschen (de NICE-shen), who is leaving to pursue other opportunities.