Figure 3From: Critical evaluation of the European diesel car boom - global comparison, environmental effects and various national strategiesDieselization in 1995 (blue columns) and 2009 (purple columns) according to EEA [17]. Percentage of diesel cars in the total passenger car fleet. Threshold exceedances (in %, red) according to the Gothenburg protocol for NOx emissions in 2010[19].Back to article page