Building materials are one of the few utilization cases where the carbon can end up mineralized for a long time. The catch is that the climate value may come as much from cement savings as from CO2…
Chemicals are probably the most plausible high value use of CO2, but the market size question keeps pulling the climate claim back down to earth. Katelhon et al. is a useful starting point for…
CO2 derived fuels are easy to like because they fit existing machines. They are also easy to overclaim because the carbon comes back out when the fuel is burned. Ueckerdt et al. is a good reality…