Something like 40% of the corn grown in the US is turned into biofuel: https://www.ers.usda.gov/publications/pub-details?pubid=105761 https://www.ers.usda.gov/

Something like 40% of the corn grown in the US is turned into biofuel: https://www.ers.usda.gov/publications/pub-details?pubid=105761 https://www.ers.usda.gov/publications/pub-details?pubid=1057...