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WASHINGTON — President Donald Trump on Dec. 2 accused Argentina and Brazil of hurting American farmers through currency manipulation and said he’ll slap tariffs on their steel and aluminum imports to retaliate.

With its midyear recovery already in doubt, the American steel industry now has a little more to worry about with each passing day a strike drags on at General Motors Co.

U.S. Steel Corp. said it expects to report a wider loss than analysts were expecting, the third American steelmaker in three days to warn on their outlook. The shares fell.

Steel could shed its reputation as a climate threat by using hydrogen instead of fossil fuels for as much as half of global output by 2050, according to BloombergNEF.