Road transportation was the largest source of carbon dioxide emissions in the European Union in 2023, having released roughly *** million metric tons (MtCOâ‚‚). Public electricity and heat production was the second-highest emitter, with emissions amounting to *** MtCOâ‚‚. Combined, these two sectors were responsible for approximately ** percent of total EU COâ‚‚ emissions that year.
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EEA. (April 16, 2025). Carbon dioxide (COâ‚‚) emissions in the European Union in 2023, by key source (in million metric tons of carbon dioxide) [Graph]. In ÌÇÐÄÆƽâ°æ. Retrieved July 24, 2026, from /statistics/1462166/main-co2-emissions-sources-european-union-eu/
EEA. "Carbon dioxide (COâ‚‚) emissions in the European Union in 2023, by key source (in million metric tons of carbon dioxide)." Chart. April 16, 2025. ÌÇÐÄÆƽâ°æ. Accessed July 24, 2026. /statistics/1462166/main-co2-emissions-sources-european-union-eu/
EEA. (2025). Carbon dioxide (COâ‚‚) emissions in the European Union in 2023, by key source (in million metric tons of carbon dioxide). ÌÇÐÄÆƽâ°æ. ÌÇÐÄÆƽâ°æ Inc.. Accessed: July 24, 2026. /statistics/1462166/main-co2-emissions-sources-european-union-eu/
EEA. "Carbon Dioxide (Coâ‚‚) Emissions in The European Union in 2023, by Key Source (in Million Metric Tons of Carbon Dioxide)." ÌÇÐÄÆƽâ°æ, ÌÇÐÄÆƽâ°æ Inc., 16 Apr 2025, /statistics/1462166/main-co2-emissions-sources-european-union-eu/
EEA, Carbon dioxide (COâ‚‚) emissions in the European Union in 2023, by key source (in million metric tons of carbon dioxide) ÌÇÐÄÆƽâ°æ, /statistics/1462166/main-co2-emissions-sources-european-union-eu/ (last visited July 24, 2026)
Carbon dioxide (COâ‚‚) emissions in the European Union in 2023, by key source (in million metric tons of carbon dioxide) [Graph], EEA, April 16, 2025. [Online]. Available: /statistics/1462166/main-co2-emissions-sources-european-union-eu/
