On Feb. 25, the White House announced it will launch an investigation into the importation of copper under Section 232 of the 1962 Trade Expansion Act.

"American industries depend on copper, and it should be made in America, no exemptions, no exceptions," Commerce Secretary Howard Lutnick said.

President Donald Trump opened yet another front on Tuesday in his assault on global trade norms, ordering a probe into potential new tariffs on copper imports to rebuild U.S. production of a metal critical to electric vehicles,

The White House proclamation directing Commerce to initiate a Section 232 investigation on copper imports is now live. As always, the stakes are

CHEYENNE, Wyo. (AP) — President Donald Trump is taking a step toward granting the U.S. mining industry’s biggest wishes by singling out one metal as a focus of his domestic minerals policy: copper.