You know where coal would be awesome? The moon. https://en.wikipedia.org/wiki/Underground_coal_gasification https://en.wikipedia.org/wiki/Underground_coal_gasi

You know where coal would be awesome? The moon. https://en.wikipedia.org/wiki/Underground_coal_gasification https://en.wikipedia.org/wiki/Underground_coal_gasification Now all we need are space-based oxidants. Maybe we could capture a large-ish comet or two.