Emissions of nitrogen oxides (NOx)
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road traffic is the main source of NOx reduction of 49% compared to 2000, mainly thanks to less polluting cars (fewer diesel cars) target 2020 has been met from the Flemish air policy plan

road traffic is the main source of NOx reduction of 49% compared to 2000, mainly thanks to less polluting cars (fewer diesel cars) target 2020 has been met from the Flemish air policy plan