[jjotto]

The most thorough coverage of the issues seems to be at

http://www.thetruthaboutcars.com/

and

http://www.autoblog.com/

[KC Burke]

From your autoblog link you provided I went through some to the 36 articles about the VW instance and the article below is one of the best at explaining the initial history of this event.

http://www.autoblog.com/2015/09/23/researcher-how-vw-got-caught/