We can make hydrocarbon fuel with low cost heat from nuclear power plants.
Just read a long essay about energy R&D in Israel.
Apparently they have huge deposits of kerogen, which is a precursor to crude oil and natural gas.
They are currently heating small sections of the deposit - in situ - in an attempt to convert it to a useful hydrocarbon.
I believe they use waste heat generated by solar voltaic panels.
If we had put a fraction of the R&D money from solar, wind, and fusion into safe nuclear fission research, the world would have a surplus of electricity and essentially no air pollution.