How much of the nitrogen oxide emissions in Sweden come from vehicle traffic?

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How much of the nitrogen oxide emissions in Sweden come from vehicle traffic?

Approximately 50% of the nitrogen oxide emissions in Sweden come from vehicle traffic.

The emissions of nitrogen oxides acidify land and water, lead to eutrophication of lakes and oceans, and harm our genome, airways and mucous membranes.

Together with hydrocarbons, nitrogen oxides also contribute to the formation of ground-level ozone.

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