In the US, a mere 10% of all the wheat, rice, corn, rye, oats, barley, sorghum grown is eaten by people. The rest is for animal feed and biofuels.
Biofuels like ethanol not only require diverting agricultural production away from food, thus driving up prices and placing unfair burdens on the world’s poorest people, but also present a fake climate change solution that hinders the growth of real solutions to the climate crisis.
https://watershedsentinel.ca/articles/biofuels-more-drain-than-gain/