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by aurelwu 2362 days ago
Syn-fuels are never carbon neutral, you always have CH4 Emissions when producing, transporting,storing or burning fuel (and N2O too if you burn the fuel using air and not pure oxygen). CH4 is not only a rather potent GHG, it also oxidizes to CO2. Obviously the emissions are a lot lower than using fossil fuels but they are still there.