1. United Nations. Framework convention on climate change, Paris agreement; 2015. Available from: https://unfccc.int/files/meetings/paris_nov_2015/application/pdf/paris_agreement_english_.pdf. [Accessed 25 March 2022].
2. International Energy Agency. World energy outlook 2020; 2021. Available from: https://www.iea.org/reports/world-energy-outlook-2021. [Accessed 25 March 2022].
3. EU Directive. 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). European Union; 2018. Available from: https://eur-lex.europa.eu/legal-content/EN/TXT/?uri=uriserv:OJ.L_.2018.328.01.0082.01. [Accessed 20 February 2022].
4. What is the energy balance of electrofuels produced through power-to-fuel integration with biogas facilities?;Gray;Renew Sustain Energy Rev,2022
5. A perspective on the efficacy of green gas production via integration of technologies in novel cascading circular bio-systems;Lin;Renew Sustain Energy Rev,2021