1. IEA. Tracking Transport 2020 – Analysis 2021. https://www.iea.org/reports/tracking-transport-2020 (accessed October 4, 2021).
2. IEA. Net Zero by 2050 A Roadmap for the Global Energy Sector. 2021.
3. IEA. Energy Technology Perspectives. 2020. https://doi.org/10.1787/9789264109834-en.
4. REN21. Renewables 2020 Global Status Report. 2020.
5. Van Dyk S, Su J, McMillan JD, Saddler JN. Drop-in BIOFUELS: The key role that co-processing will play in its production, 2019.