The EU announced earlier this year that they were changing the test procedures and certification rules for diesel cars to more accurately assess and control NOx

The EU announced earlier this year that they were changing the test procedures and certification rules for diesel cars to more accurately assess and control NOx output and to prevent gaming of the tests by manufacturers. Defeat devices were explicitly called out: http://www.theguardian.com/environment/2015/feb/03/car-makers-face-real-world-emissions-tests-in-eu-pollution-clampdown http://www.theguardian.com/environment/2015/feb/03/car-maker...