Binghi, Binghi , Binghi you say:-
CTL plants all round the world - Proven technology...
You're not thinking straight.
Even if you made the cleanest CTL plant in the world and captured all the CO2 produced during the manufacturing process you still end up with Diesel (or gasoline)
How do you get round the fact that when you burn 1 ton of Diesel you create 3.1 or more tons of CO2.
Why would you bother when free clean energy is there for the taking if we're smart enough.
Read this one again. All of it.
https://nikolamotor.com/one
Power with Hydrogen . Store it in Ammonia. Emissions water and nitrogen returned harmlessly to the atmosphere.