Italy had the highest transportation-related nitrogen oxide (NOx) emissions in the EU in 2022, at 395 thousand metric tons. This accounted for roughly 15 percent of transportation nitrogen oxide emissions in the EU that year.
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EEA. (June 25, 2024). Transportation-related nitrogen oxide (NOx) emissions in the European Union (EU-27) in 2022, by country (in 1,000 metric tons) [Graph]. In ÌÇÐÄÆƽâ°æ. Retrieved July 25, 2026, from /statistics/1306758/nitrogen-oxide-emissions-european-union-countries/
EEA. "Transportation-related nitrogen oxide (NOx) emissions in the European Union (EU-27) in 2022, by country (in 1,000 metric tons)." Chart. June 25, 2024. ÌÇÐÄÆƽâ°æ. Accessed July 25, 2026. /statistics/1306758/nitrogen-oxide-emissions-european-union-countries/
EEA. (2024). Transportation-related nitrogen oxide (NOx) emissions in the European Union (EU-27) in 2022, by country (in 1,000 metric tons). ÌÇÐÄÆƽâ°æ. ÌÇÐÄÆƽâ°æ Inc.. Accessed: July 25, 2026. /statistics/1306758/nitrogen-oxide-emissions-european-union-countries/
EEA. "Transportation-related Nitrogen Oxide (Nox) Emissions in The European Union (Eu-27) in 2022, by Country (in 1,000 Metric Tons)." ÌÇÐÄÆƽâ°æ, ÌÇÐÄÆƽâ°æ Inc., 25 Jun 2024, /statistics/1306758/nitrogen-oxide-emissions-european-union-countries/
EEA, Transportation-related nitrogen oxide (NOx) emissions in the European Union (EU-27) in 2022, by country (in 1,000 metric tons) ÌÇÐÄÆƽâ°æ, /statistics/1306758/nitrogen-oxide-emissions-european-union-countries/ (last visited July 25, 2026)
Transportation-related nitrogen oxide (NOx) emissions in the European Union (EU-27) in 2022, by country (in 1,000 metric tons) [Graph], EEA, June 25, 2024. [Online]. Available: /statistics/1306758/nitrogen-oxide-emissions-european-union-countries/
