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A machine is operated at a facility for the Norwegian company Nel in Heroya, Norway, on April 20, 2023. (AP Photo/Trond R. Teigen)

A machine is operated at a facility for the Norwegian company Nel in Heroya, Norway, on April 20, 2023. (AP Photo/Trond R. Teigen)

FILE - Employees work at a facility for the Norwegian company Nel in Heroya, Norway, on April 20, 2023. (AP Photo/Trond R. Teigen, File)

FILE - Employees work at a facility for the Norwegian company Nel in Heroya, Norway, on April 20, 2023. (AP Photo/Trond R. Teigen, File)

FILE - A machine is operated at a facility for the Norwegian company Nel in Heroya, Norway, on April 20, 2023. Nel makes devices that take water and split it into hydrogen and oxygen, known as electrolyzers, as well as fueling stations. (AP Photo/Trond R. Teigen, File)

FILE - A machine is operated at a facility for the Norwegian company Nel in Heroya, Norway, on April 20, 2023. Nel makes devices that take water and split it into hydrogen and oxygen, known as electrolyzers, as well as fueling stations. (AP Photo/Trond R. Teigen, File)