[c2h5oh]

People are selling those older cars at a significant discount compared to previous years, because they got banned from low emission zones - you need euro 5 for diesel and euro 4 for petrol to be allowed in centers of many of large EU cities.

[Gigachad]

I've heard China has something similar where you need an electric vehicle to drive in many city centers. Part of a huge effort to fix air pollution issues.