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2. https://www.iea.org/data-and-statistics/charts/global-biofuel-production-in-2019-and-forecast-to-2025.
3. https://afdc.energy.gov/vehicles/flexible_fuel_emissions.html#:∼:text=Carbon%20dioxide%20(CO2)%20released,conventional%20vehicles%20per%20mile%20traveled; Life-Cycle Greenhouse Gas Emission Reductions of Ethanol with the GREET Model.
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