Volkswagen CEO questions whether Apple plans to produce car

Wolkswagen CEO Herbert Diess said on Wednesday he was not sure Apple (AAPL.O).. 

planned to produce cars but that the California-based company..

certainly wanted to provide software for cockpits.  

"I'm not sure if Apple will actually bring cars to the market in the end. 

It would be a big effort," Diess said at the start of the hub.

berlin technology conference in Berlin.. 

adding he was certain Apple wants to enter the car cockpit market with software.   

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