A system for a carbon neutral cycle of gas production may include a molten salt reactor configured to generate zero carbon dioxide (CO2) emissions electricity. The system may include a desalination unit configured to receive the zero-CO2 emissions electricity from the molten salt reactor and produce a desalinated water. The system may include an electrolysis unit configured to be powered by the zero-CO2 emissions electricity generated by the molten salt reactor and generate hydrogen (H2) and oxygen (O2) from the desalinated water. The system may include an oxy-combustion unit configured to receive and combust a hydrocarbon fuel with the O2 from the electrolysis unit to produce electricity and CO2. The system may include a CO2 capture system adapted to capture the CO2 produced by the oxy-combustion unit and a catalytic hydrogenation unit configured to receive and convert H2 from the electrolysis unit and CO2 from the CO2 capture system to produce the hydrocarbon fuel.