Natural Gas (NG) is natural and burns clean. It can be created even from rotting waste or cow farts. It’s everywhere and easily created.
The USA has 10 X more NG than its population could ever use in the next hundreds of years.
Yet Asia and Europe are on their knees for a reliable NG supply.
NG can be converted to liquid NG or LNG and exported by ship.
The USA can become the Saudi Arabia of LNG for the world. And it would employ millions of Americans (no exaggeration) into secure high paying jobs for decades.
This is why China signed that US$400 billion with Russia to import natural gas from eventually eastern Siberia, where there are estimates of gigantic natural gas deposits yet to be found. There may be enough natural gas in eastern Siberia to fuel Chinese demand for hundreds of years. And Russia could put a big "carrot" in front of the Japanese to buy natural gas from the large natural gas fields on Sakhalin Island in exchange for the four westernmost of the Kuril Islands.