American farmers are set to harvest 30 percent more corn this year than last year. That's due to agreeable weather and EPA's biofuel mandate.
Estimating geographic origins of corn and soybean biomass for biofuel production: A detailed dataset - ScienceDirect
Corn is America's Largest Crop in 2019
Mapping twenty years of corn and soybean across the US Midwest using the Landsat archive
John Upton
Why does the United States grow so much corn? - Quora
Corn ethanol was supposed to help the climate. Instead, its production may have made things worse.
EPA boosts use of biofuels but holds steady for corn-based ethanol production
A bright spot at the intersection of farming, electric vehicles and solar energy
As Trump Touts Ethanol, Scientists Question the Fuel's Climate Claims - Inside Climate News