This method is cheap, simple and uses common materials. It is cheaper than the process used to convert hydrogen and water into fuel.
There are many challenges in bringing it to an airplane. The laboratory method produced only a few grams of fuel-obviously, even for a single flight, you need more fuel, let alone the entire fleet. You need to use carbon capture more widely. Moreover, if you want to effectively achieve zero emissions, then the capture and conversion system will have to run on clean energy.
However, these studies are being communicated with industry partners and have not found any major scientific obstacles. It may also be one of the most viable options for the fleet. Many of them will have to change aircraft to use electric or switch fuel types. This conversion process will allow airlines to retain their existing aircraft and achieve carbon neutrality until they are truly ready for environmental advancement.