Milan Area C tightens to petrol: Euro 2; Area B tightens to diesel: Euro 4 on 1 October 2019.
Petrol vehicles must meet Euro 2 standard to be able to circulate in the Milan Area C area.
Diesel cars must meet Euro 5 standard to be able to circulate in the Area B of Milan.
For more information on the scheme look at our full Milan Area C page.