Volkswagen (VOWG_p.DE) managers are worried about traveling to the United States, a German newspaper reported on Saturday, saying U.S. investigators have confiscated the passport of an employee who is there on a visit. Citing company sources, the Suddeutsche Zeitung said Volkswagen believes the investigators want to prevent the manager from evading questioning or criminal prosecution linked to the diesel emissions scandal. A spokesman for VW said: “Volkswagen employees are still traveling to the United States.