A boom in Brazilian ethanol production is reshaping the country’s corn market as domestic consumption rises, shifting Brazil’s role on the global stage.

Brazil is increasingly embracing corn as a key feedstock to complement sugarcane in its expanding biofuels industry.

“Brazil, the global second-largest ethanol producer, has seen a big expansion of corn-based ethanol plants across its center-west region,” said Joana Colussi, a researcher and extension specialist in the Department of Agricultural and Consumer Economics at...