Why the U.S. can’t rely on the same pipeline welders it used to, but not weld coal

We can build a pipeline that’s twice as fast, twice as clean, twice more reliable, and twice as profitable as the one it uses to get our coal from the ground.

But it would require a different set of skills.

In the U: A Journey Through Coal, engineer and journalist Ryan MacLeod describes the history of coal and the challenges it presents.

In this excerpt, MacLeod tells us about the history and the technologies that helped make it possible.