The first hydrogen-powered planes are taking flight::undefined

  • Poem_for_your_sprog@lemmy.world
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    2 years ago

    Cool story bro.

    So where’d that hydrogen fuel come from?

    Today 95% of the hydrogen produced in the United States is made by natural gas reforming in large central plants.

    https://www.energy.gov/eere/fuelcells/hydrogen-resources

    Someone do the math on the net CO2 impact between jet fuel and natural gas reforming, including emissions to build that infrastructure, natural gas leaks (there’s a lot here), and transporting the hydrogen

      • Aa!@lemmy.world
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        2 years ago

        Given our tendency to overdo everything, this would concern me that we could actually use up all our water

        • GreyBeard@lemmy.one
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          2 years ago

          The output of hydrogen engines is water. So we reclaim that quickly. The more likely problem is the unnatural redistribution of water.