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European study shows diesel car emission levels
An IVL-led study has compiled emissions data from over 700,000 vehicles in Spain, Sweden, Switzerland and the UK. The results show that NOx emissions from diesel vehicles haven’t significantly changed between the Euro 1 and 5 emission standards, despite rigorous EU emission regulations. It is only with the advent of the latest Euro 6 standard that there has been some improvement, though new diesel cars still release about five times as much NOx as required by law.