The level of emissions achieved by the "cheating" was perfectly legal only a few years ago, just for perspective. And in the USA at least, there just aren't en

The level of emissions achieved by the "cheating" was perfectly legal only a few years ago, just for perspective. And in the USA at least, there just aren't enough diesel cars to really make a difference. Almost all diesel vehicles here are heavy trucks and busses and they dwarf the emissions of the cars to the point of making them inconsequential.