1. European Commission (2023, March 15). A Hydrogen Strategy for Climate-Neutral Europe. Brussels. Available online: https://knowledge4policy.ec.europa.eu/publication/communication-com2020301-hydrogen-strategy-climate-neutral-europe_en.
2. European Commission (2023, March 15). Fit for 55: Delivering the EU’s 2030 Climate Target on the Way to Climate Neutrality. Brussels. Available online: https://eur-lex.europa.eu/legal-content/EN/TXT/?uri=CELEX%3A52021DC0550.
3. European Commission (2023, March 20). Powering a Climate-Neutral Economy: An EU Strategy for Energy System Integration. Brussels, Com(2020) 299 Final. Available online: https://eur-lex.europa.eu/legal-content/EN/ALL/?uri=CELEX%3A52020DC0299.
4. European Commission (2023, March 21). REPowerEU: A Plan to Rapidly Reduce Dependence on Russian Fossil Fuels and Fast Forward the Green Transition. Brussels. Available online: https://eur-lex.europa.eu/legal-content/EN/TXT/?uri=COM%3A2022%3A230%3AFIN.
5. Tagliapietra, S. (2023, March 23). REPowerEU: Will EU Countries Really Make It Work? Bruegel. Available online: https://www.bruegel.org/blog-post/repowereu-will-eu-countries-really-make-it-work.