My guess is that it would be much more effective to capture and remove CO2 directly at the source, for example at a cement plant. While this could be done at a

My guess is that it would be much more effective to capture and remove CO2 directly at the source, for example at a cement plant. While this could be done at a fossil fuel plant as well, it seems a lot less attractive: you give back most of the energy you just got from burning the fuel.