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Crit-Air.fr News 2019-09-12

Madrid: Europe's most efficient green zone

The organisation "Transport and Environment" T&E has compared the impact of different environmental zones. With a 32% reduction in nitrogen oxide levels within one year, air quality at LEZ Madrid has improved significantly. The acceptance of the citizens is so high that when the new local government wanted to abolish LEZ, demonstrations were formed to counteract the abolition. A role model in many respects!