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umwelt-plakette.de en 2018-07-18

News on environmental zones and air pollution

Street water cleaning against fine particles

Fines particles are also on the ground and are emitted into the air as vehicles pass by. During air pollution peaks, cleaning streets with water under high pressure can rinse the ground and then suck in fine particles. This has been tested in Stuttgart but is still expensive: 655,000 euros for the Stuttgart Neckartor for 89 days.