It appears that the official vehicle of Paceliners everywhere is about to see a big fat recall. Allegedly, '09-15 TDI's have software that detects emissions testing and appears to make the cars seem to be cleaner than they actually run in the real world.
Autonews story here
(We own a 2010 TDI and I don't care if the EPA says there's demons in my engine they can't have my Sportwagen)