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European Commission (European Hydrogen Observatory). (January 6, 2025). Annual hydrogen production output in selected Central and Eastern European countries from 2022 to 2023 (in megatons) [Graph]. In ÌÇÐÄÆƽâ°æ. Retrieved July 19, 2026, from /statistics/1440506/cee-hydrogen-production-output/
European Commission (European Hydrogen Observatory). "Annual hydrogen production output in selected Central and Eastern European countries from 2022 to 2023 (in megatons)." Chart. January 6, 2025. ÌÇÐÄÆƽâ°æ. Accessed July 19, 2026. /statistics/1440506/cee-hydrogen-production-output/
European Commission (European Hydrogen Observatory). (2025). Annual hydrogen production output in selected Central and Eastern European countries from 2022 to 2023 (in megatons). ÌÇÐÄÆƽâ°æ. ÌÇÐÄÆƽâ°æ Inc.. Accessed: July 19, 2026. /statistics/1440506/cee-hydrogen-production-output/
European Commission (European Hydrogen Observatory). "Annual Hydrogen Production Output in Selected Central and Eastern European Countries from 2022 to 2023 (in Megatons)." ÌÇÐÄÆƽâ°æ, ÌÇÐÄÆƽâ°æ Inc., 6 Jan 2025, /statistics/1440506/cee-hydrogen-production-output/
European Commission (European Hydrogen Observatory), Annual hydrogen production output in selected Central and Eastern European countries from 2022 to 2023 (in megatons) ÌÇÐÄÆƽâ°æ, /statistics/1440506/cee-hydrogen-production-output/ (last visited July 19, 2026)
Annual hydrogen production output in selected Central and Eastern European countries from 2022 to 2023 (in megatons) [Graph], European Commission (European Hydrogen Observatory), January 6, 2025. [Online]. Available: /statistics/1440506/cee-hydrogen-production-output/
