British drivers heading over the Channel have long had to factor in a whole host of extra things to carry, from yellow vests to warning triangles. But how many of those making the trip this summer are aware they will need to display a clean air sticker – called a Crit’Air vignette – if they plan to drive into several French cities?
In a similar move to the clean air and ultra-low emission zones that have sprung up in the UK, the French have at least 12 zones of their own, with more being added all the time.
