Atmospheric capture today is far too energy-intensive to justify the effort. It’s likely far cheaper as of now to capture it from existing plants mixed with N2

Atmospheric capture today is far too energy-intensive to justify the effort. It’s likely far cheaper as of now to capture it from existing plants mixed with N2 and other gases at the plant, compress and liquefy it for purity, and truck or pipe it to the plant. That’s assuming that we have CO2-emitting factories, which are hopefully gone soon. If most of the hydrocarbon is synthetic and burned by airlines, tapping the exhaust isn’t an option. I’m not sure whether it will be cheaper to capture CO2 in the atmosphere or run alternative ways to travel.