A Clean Car Displaying a Green Feinstaubplakette

Credit: Jojo659 / Wikimedia Commons
article: Restrictions on Driving in Germany 		Other images from this article
Umweltzone Sign in Hannover, Germany A Clean Car Displaying a Green Feinstaubplakette German Cities with Umweltzonen Already in Place Feinstaubplakette : Green for Cleanest Cars German Sign for an Umweltzone (Low Emission Zone)
A Clean Car Displaying a Green Feinstaubplakette , Jojo659 / Wikimedia Commons