Quite the contrary, we need to burn Methan and capture the produced carbon, regardless of how expensive it is, because Methan permiates stuff a lot better due to its smaller molecule size. Due to the significantly higher warming potential, we have to absolutely make sure there’s no Methan escaping anywhere - which it is on various natural things. And we have to capture the carbon and use existing infrastructure with synthetic fuels.
There is no time changing to different manufacturing processes.