The FT process is a closed reaction; that makes it easier to remove some pollutants, such as sulphur and mercury, from the coal during the process of converting it into fuel. Therefore, CTL fuels are cleaner in terms of sulphur-dioxide emissions than burning coal in a plant and, in many cases, even cleaner than conventionally produced fuel.
Lightning cracks the blackened sky,
Hear the thunder chariot ride
All brave men with hearts of war
Ride the path of mighty Thor