I know.
There is no general mandate here, but I do remember when a new big gas station was built, near a big neigborhood, they mentioned that they absorbed the vapours.
However, I do not recall if it was all of it, or only the refill huge tank. It may have been 15 years ago.
I see it is directive 2009/126/CE from Euro Parliament.
Wikipedia has a photo, but I don't remember seeing it.