So many questions unanswered: They remove CO2? How? Direct air capture tech isn't exactly trivial. How much does that weight and how much does that increase th

So many questions unanswered: They remove CO2? How? Direct air capture tech isn't exactly trivial. How much does that weight and how much does that increase the energy consumption? And most important of all: What do they do with the CO2? Do you have to drive to a geological storage site every now and then? How often?