Premiums for consumers buying aluminium on the physical market in the United States hit a record 60 cents a lb or $1,323 a metric ton on Thursday after U.S. President Donald Trump imposed higher tariffs on U.S. imports of the metal.
The tariffs doubled to 50% on Wednesday.
The U.S. Midwest duty-paid premium has gained nearly 190% since Trump was elected in November for his second term as president.
U.S. consumers buying aluminium on the physical market usually pay the London Metal Exchange (LME) benchmark price plus a premium to cover costs including freight and taxes.
The U.S. is heavily reliant on aluminium imports, with the vast majority from Canada.
Selected projects will strengthen domestic rare earth supply chains, reduce reliance on foreign sources, and improve U.S. energy security.
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