Grain processing giant ADM announced last week that it is teaming up with biofuel technology company Gevo to turn corn-based ethanol into sustainable aviation fuel and other low-carbon fuels.

Separately, ClearFlame Engine Technologies announced last week it had secured additional funding in its effort to build truck engines that can run on 98% ethanol.

In the ADM-Gevo agreement, about 900 million gallons of ethanol from ADM’s dry mills in Cedar Rapids; Columbus, Nebraska; and Decatur, Illinois, would be used to make 500 million gallons of sustainable...