U.S. President Donald Trump's threat of a 50% tariff on copper imports is raising alarm in the U.S. auto sector, as it could make it even harder for carmakers and suppliers to absorb border taxes and rising costs,

U.S. President Donald Trumps administration plans to impose a sweeping 50% tariff on all refined copper imports, Bloomberg reported Friday, citing sources familiar with the matter. The move is part of Trumps broader

President Donald Trump said his 50% tariff on copper imports will take effect on Aug. 1, noting he made the decision after a national security assessment.