VW and government failure

Thanks to tutor2u for this
http://www.tutor2u.net/economics/blog/vw-and-government-failure?utm_medium=email&utm_campaign=Daily%20tutor2u%20Economics%20updates&utm_content=Daily%20tutor2u%20Economics%20updates+CID_d26a0979b4a854102c229e64835ab716&utm_source=CampMonitor&utm_term=Blog++VW+and+government+failure