58 comments on Are Reserves of the Largest US Coal Field Overstated by 50%?
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58 comments on Are Reserves of the Largest US Coal Field Overstated by 50%?
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At certain point, the coal can be used as the fuel for transportation or be converted for diesel.
Does anyone know the EROI of Fischer-Tropsch diesel?
The efficiency of converting coal gas or natural gas into diesel via F-T is apparently about 66%. I'm not sure if "coal gas" refers to gasified coal, but I would imagine CTL efficiency is in roughly the same ballpark.
For comparison, refining oil into gasoline is roughly 80% efficient, so the difference is actually not that huge. (From the first link, the pollution created is about the same.)