Some other info: A lab at West Virginia U. found the problem, working with a $50,000 grant. They have also tested a BMI, which was fine. That confirmed their method is correct. See:
http://www.npr.org/2015/09/24/443053672/how-a-little-lab-in-west-virginia-caught-volkswagens-big-cheat The excess NOx pollution worldwide is roughly as much as 20 U.S. coal fired plants produce (legally produce). There are 589 coal fired plants in the U.S., so 20 is a significant number. http://www.vox.com/2015/9/23/9383641/volkswagen-scandal-pollution - Jed
