1. 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 (recast): RED II L 328 (2018).
2. From first- to third-generation biofuels: Challenges of producing a commodity from a biomass of increasing complexity
3. SHARES (Renewables) ‐ Eurostat. Available:https://ec.europa.eu/eurostat/web/energy/data/shares[5 September 2019].
4. Directive (EU) 2009/28/EC of the European Parliament and of the Council of 23 April 2009 on the promotion of the use of energy from renewable sources and amending and subsequently repealing Directives 2001/77/EC and 2003/30/EC: RED L 140 (2009).
5. Recent developments and key barriers to advanced biofuels: A short review