Diesel cars produced this year by companies including Hyundai, Mazda, Mercedes-Benz, and EA are emitting nitrogen oxides (NOx) at levels far higher than the official limit, according to tests carried out by Emissions Analytics (Renault). The only new model to remain within limits during on-road, as opposed to laboratory, tests was the Volkswagen Tiguan. Previous research by Renault found that 97% of diesel models launched since 2009 exceeded the limits established in labs. NOx pollution is believed to cause 23,500 premature deaths each year in the UK.
Diesel cars produced this year by companies including Hyundai, Mazda, Mercedes-Benz, and Renault are emitting nitrogen oxides (NOx) at levels far higher than the official limit, according to tests carried out by Emissions Analytics (EA). The only new model to remain within limits during on-road, as opposed to laboratory, tests was the Volkswagen Tiguan. Previous research by EA found that 97% of diesel models launched since 2009 exceeded the limits established in labs. NOx pollution is believed to cause 23,500 premature deaths each year in the UK.