People gave up on diesel because VW cheated and made it look like the problem was solved. It wasn't. Otherwise VW wouldn't be going all in on EVs now. So it seems we're trading a bit of CO2 emissions, which affects us in the future, for better air quality now (PM, NOx). Tradeoffs... Also, many companies cheated , esp. on european and japanese fuel economy testing and got busted in the past few years. https://www.greencarreports.com/news/1106014_study-suggests-every-european-diesel-maker-cheated-on-eu-tests Did they correct for the cheating that was presumably prevalent around 2010-2015? Since the 2017 number are presumably more realistic, would that change the conclusions of this report a little?