Well, kinda. You can do methane to hydrogen with CO2 capture and storage. But my big question is why would you want to convert it into hydrocarbons for transpo

Well, kinda. You can do methane to hydrogen with CO2 capture and storage. But my big question is why would you want to convert it into hydrocarbons for transport then? Direct air capture (DAC) is a maybe-way-out-in-the-2050s technology, but even assuming it were readily and cheaply available in large scale today, doing DAC straight to storage and then just using oil and gas like we've always done would be a much cheaper and more efficient method than going what you propose. Basically: air->CO2->storage AND (CH3)n->burn versus air->CO2[a] AND (CH3)n->CO2[b] + H2[b] AND CO2[a] + H2[b] -> (CH3)n->burn AND CO2[b]->storage (Obviously not taken to be real well-defined balanced chemical reactions).