Here's the take-home message. When it comes to CTL, we have two choices:
- Coal-to-liquid + carbon sequestration: This will be grotesquely expensive, and will only happen with massive government subsidies. The net result will be a liquid fuel that is just as bad for the atmosphere as current liquid fuels.
- Coal-to-liquid without carbon sequestration: This might be economically viable without subsidies, but it would be an utter disaster in terms of global warming.
Full read here