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3. European Commission, ‘REPowerEU’, https://eur-lex.europa.eu/legal-content/EN/TXT/?uri=COM%3A2022%3A230%3AFIN&qid=1653033742483.
4. European Commission, ‘Oil import restrictions’, https://ec.europa.eu/commission/presscorner/detail/en/IP_22_2802.
5. UNIPER, ‘German LNG terminal’, https://www.uniper.energy/news/uniper-to-build-germanys-first-lng-terminal---aim-is-to-diversify-natural-gas-supply-sources.