Distribution of motorcycles in the Italian city of Catania 2017, by emission standard
This statistic shows the distribution of motorcycles according to the European emission standards in the Italian city of Catania in 2017. The largest share of motorcycles (39 percent) were classified as Euro 3. Euro 4 motorcycles made up only four percent of the total number of motorcycles in the city. By contrast, one in five motorcycles belonged to the Euro 0 class, the most polluting one.