Maintaining a healthy vehicle inventory size has been an issue for Audi's booming U.S.
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When Audi launched the R8, a racecar turned production vehicle in 2006, company execs knew customers would want it.
Audi says its hybrid offerings will go upmarket in to its flagship A8 sedan in 2012, meaning efficiency just got a whole lot more alluring.
We've been following the development of autonomous driving vehicles closely, and usually that involves the Google self-driving car.