None of these carbon conversion companies ever talk about how they obtain their CO2 supplies, probably because it would reveal them as greenwashers. Although they attempt to imply that they are climate tech, they don't ever describe a solution for extracting carbon dioxide from the atmosphere, because they know it's economically infeasible. These carbon capture processes need a concentrated stream of CO2.
Let's compare carbon capture to the currently existing product that needs concentrated CO2, dry ice. Dry ice usually captures some concentrated stream of CO2 from an industrial process that creates it. The global market for dry ice is on the order of half a million tons per year. Meanwhile, the CO2 equivalent for global annual jet fuel consumption is on the order of 300 million tons. So it seems infeasible for carbon capture technology to replace even jet fuel, let alone all the other uses of fossil fuels needed for processes that require heat.
Let's compare carbon capture to the currently existing product that needs concentrated CO2, dry ice. Dry ice usually captures some concentrated stream of CO2 from an industrial process that creates it. The global market for dry ice is on the order of half a million tons per year. Meanwhile, the CO2 equivalent for global annual jet fuel consumption is on the order of 300 million tons. So it seems infeasible for carbon capture technology to replace even jet fuel, let alone all the other uses of fossil fuels needed for processes that require heat.