The Biden administration on Wednesday approved a temporary waiver to Jones Act shipping restrictions to allow a tanker to deliver diesel fuel to Puerto Rico needed to run generators following the devastation caused by Hurricane Fiona.
The BP vessel, which picked up its fuel cargo in Texas, is flagged to the Marshall Islands.
The law is aimed at preserving U.S. maritime operations as a national security backup to the armed forces.
Critics say the law drives up shipping prices and creates a barrier to speedy services following natural disasters and other times of need.
Mr. Mayorkas said he made the decision to grant the waiver in consultation with the departments of Transportation, Energy, and Defense, and with input from Puerto Rico Gov.