https://investigatemidwest.org/2020/11/19/despite-hundreds-o...
Capturing carbon from fermentation of an ethanol plant is an ideal case because you don't need an expensive amine stripper or oxy-fuel combustion to get CO2 that is pure enough to inject underground.
[1] https://www.sciencedirect.com/science/article/pii/S2211467X2...
[2] https://news.ycombinator.com/item?id=36232594
[3] https://www.reuters.com/business/environment/us-corn-based-e...
Now there is endless talk about “ethanol from cellulosic biomass” but it’s like the talk about pyrolysis or the fast breeder reactor.
I think ethanol is not even interesting as a sustainable aviation fuel, as the industry seems to reject any kind of oxygenated fuel for reasons I still haven’t figured out. So they are falling back on Fischer-Tropsch chemistry and similar boondoggles.