This startup makes high-tech protein from thin air by using solar energy
"We are a bit behind schedule, but production may start just about in 2023," Pasi Vainikka, CEO of Solar Foods, told New Scientist. Vainikka added that the factory will be able to produce 100 tones per year, which will suffice for four or five million meals.
https://interestingengineering.com/innovation/high-tech-protein-from-thin-air