To be clear, all of the hydrogen for transportation plays were effectively dead in 2022, 2023, and 2024 as well, but the thing about startups and subsidiaries that manage to get funding is that they persist as dwindling husks of themselves for years before collapsing entirely. The people still left in the building when the music stops have seriously bad career judgment, as getting out much earlier would have been wiser, while never walking through the doors of the thermodynamic and economic dead ends would have been wiser still.