I can't wait until they makes these no cost, low-maintenance, and self-replacing. Oh man, just think of how easy it would be to fix our climate issues!
Saudis are a stand-in for “big oil” as a whole. In other words, the oil barons of the world aren’t going to let renewables power anything; DAC will be fossil fuels; “clean” coal/nautural gas and they will release more CO2 than they can capture of course because that’s just thermodynamics.