“Anybody who can go down 3,000 feet in a mine can sure as hell learn to program as well,” Biden said at a New Hampshire event Monday. He added later: “Anybody who can throw coal into a furnace can learn how to program, for God’s sake!”

Biden’s adversarial posture toward the coal industry bears similarities to that of 2016 Democratic nominee Hillary Clinton, who said her administration would “put a lot of coal miners and coal companies out of business.”