Donald Trump reverses Biden-era guidelines on copper smelters

U.S. President Donald Trump on Friday (October 214, 2025) reversed a Biden-era air air pollution rule that had imposed stricter limits on emissions from copper smelters.

The copper rule, finalized in May 2024, had required smelters to curb pollution together with lead, arsenic, mercury, benzene and dioxins below up to date federal air requirements.

Mr. Trump’s proclamation grants a two-year exemption from compliance for affected stationary sources, which the White House stated would assist promote American mineral safety by decreasing regulatory burdens on home copper producers.

“Imposing these requirements on such a limited and already strained domestic industry risks accelerating further closures, weakening the Nation’s industrial base, undermining mineral independence, and increasing reliance on foreign-controlled processing capacity,” the White House stated in saying the adjustments.

The U.S. at the moment has solely two copper smelters, one in Arizona and the opposite in Utah.

Freeport-McMoRan and Rio Tinto, which function the 2 U.S. copper smelters, weren’t instantly out there to remark.

Mr. Trump signed an govt order earlier this yr that recognized copper as a essential materials for protection, infrastructure and rising applied sciences, together with clear power and electrical automobiles.

It led to a Section 232 investigation to find out whether or not copper imports threaten U.S. nationwide safety, notably because of dependence on a small variety of international suppliers.

Following the evaluation, the administration imposed a 50% tariff on sure imported copper and mandated that an growing share of high-quality scrap copper produced within the U.S. be offered domestically.