NBC News
Trump wants the U.S. to make more aluminum. In Louisiana, home to the only domestic producer of the metal’s key ingredient, some say a ramp-up would take years and worsen pollution.
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Alexandra Byrne
19:21
Trump wants the U.S. to make more aluminum. In Louisiana, home to the only domestic producer of the metal’s key ingredient, some say a ramp-up would take years and worsen pollution.