1. BracmortK.The renewable fuel standard (RFS): an overview. Congressional Research Service Washington DC(2018).
2. TimilsinaGRandShrestgaA.Biofuels: Markets targets and impacts. World Bank. (2010). Available:https://openknowledge.worldbank.org/handle/10986/3848.
3. CEC – California Energy Comission.Low carbon fuel standard. Fuels and Transportation Division Emerging Fuels and Technologies Office. (2018). Available:http://www.energy.ca.gov/low_carbon_fuel_standard/[April 2018].
4. EC – European Commission: Policies information and services.Energy: Renewable Energy Directive(2018). Available:https://ec.europa.eu/energy/en/topics/renewable‐energy/renewable‐energy‐directive[April 2018].
5. EPE – Empresa de Pesquisa Energética (Brasil).Balanço Energético Nacional 2019: Ano base 2018/Empresa de Pesquisa Energética Rio de Janeiro. EPE [Brazilian Energy Balance 2019 Year 2018/Empresa de Pesquisa Energética – Rio de Janeiro: EPE. 2019.](2019). Available:http://www.epe.gov.br/en/publications/publications/brazilian‐energy‐balance[May 2020].