1. European Commission. 2009a. Directive 2009/28/EC of the European Parliament and of the Council. on the promotion of the use of energy from renewable sources and amending and subsequently repealing Directives 2001/77/EC and 2003/30/EC. https://eur-lex.europa.eu/legal-content/EN/TXT/PDF/?uri=CELEX:32009L0028&from=EN.
2. European Commission. 2008. Climate change: Commission welcomes final adoption of Europe's climate and energy package. https://ec.europa.eu/commission/presscorner/detail/en/IP_08_1998.
3. Wood pellets, what else? Greenhouse gas parity times of European electricity from wood pellets produced in the south‐eastern United States using different softwood feedstocks
4. European Commission. 2014. Communication from the commission to the European parliament, the council, the European economic and social committee and the committee of the regions: a policy framework for climate and energy in the period from 2020 to 2030. https://eur-lex.europa.eu/legal-content/EN/TXT/PDF/?uri=CELEX:52014DC0015&from=EN.
5. European Commission. 2018. Directive (EU) 2018/2001 of the European Parliament and of the Council of 11 December 2018 on the promotion of the use of energy from renewable sources. https://eur-lex.europa.eu/legal-content/EN/TXT/PDF/?uri=CELEX:32018L2001&from=EN.