Auto executives upbeat in downtrodden DetroitTo view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 videoMiodrag Soric01/17/2014January 17, 2014The city of Detroit may be bankrupt, but the US auto industry is experiencing a turnaround. That's presenting a challenge for German carmakers trying to expand their market share in the US.https://p.dw.com/p/1Arx7Advertisement