1. Fueling a High Octane Future: 2016 Ethanol Industry Outlook, Renewable Fuels Association, 2016, http://www.ethanolrfa.org/wpcontent/uploads/2016/02/Ethanol-Industry-Outlook-2016.pdf
2. Renewable Fuel Standard, US Department of Energy Alternative Fuels Data Center; http://www.afdc.energy.gov/laws/RFS
3. Bioethanol as a Vehicular Fuel: A Critical Review
4. Flexible Fuel Vehicles, US Department of Energy Alternative Fuels Data Center; http://www.afdc.energy.gov/vehicles/flexible_fuel.html