Yes, but there is also a considerable amount of energy involved with extracting fossil fuels, refining them, and delivering them between those steps and the end

Yes, but there is also a considerable amount of energy involved with extracting fossil fuels, refining them, and delivering them between those steps and the end users. And there are so many pollution externalities: increased risk of disasters like spills, and people who get respiratory diseases/cancers from breathing polluted air and die early.