FILE - A hydrogen fuel cell bus is refueled at a fueling station, March 16, 2021, in Canton, Ohio. California will be the first state to receive federal funds under a program to create regional networks, or "hubs," that produce hydrogen as an energy source for vehicles, manufacturing and generating electricity, officials announced Wednesday, July 17, 2024. (AP Photo/Tony Dejak, File)
FILE - A 2021 Toyota Prius that runs on a hydrogen fuel cell sits on display at the Denver auto show on Sept. 17, 2021, at Elitch's Gardens in downtown Denver. California will be the first state to receive federal funds under a program to create regional networks, or "hubs," that produce hydrogen as an energy source for vehicles, manufacturing and generating electricity, officials announced Wednesday, July 17, 2024. (AP Photo/David Zalubowski, File)