Implement (ultra-) low emission zones, including car-free zones in city centers

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Low emission zones (LEZs) are a regulatory measure in which access is restricted in a defined area for polluting vehicles (i.e. vehicles with higher emissions cannot enter the area or have to pay higher charges for access). The main driver of LEZs is to reduce air pollutant emissions; particularly those with the greatest health impacts, while co-benefits of this strategy include reduced CO2 emissions and stimulated growth of low emission vehicles.

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