• Luvs2Spuj@lemmy.world
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    7 hours ago

    Every post about hydrogen gets a negative reaction, like someone has proposed using coal to power cars.

    There are different suitable applications for different types of energy, it’s not a situation where you have to pick one solution and that’s it. I notice the same happens to some degree with posts about nuclear power.

    Hydrogen has potential in things like shipping, aviation, trains and industry. Even if the exact concept in the article doesn’t work, the lessons learned might advance technology in other projects.

    • Aphelion@lemm.ee
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      5 hours ago

      The negative reaction come from the fact that most hydrogen is produced by an energy intensive process that uses steam to crack petroleum products, and oil companies like BP have invested millions in greenwashing it to sound good.

      • Luvs2Spuj@lemmy.world
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        4 hours ago

        I understand there is green hydrogen and blue hydrogen and considered adding a paragraph on that in my comment, but didn’t.

        I know most hydrogen isn’t green, but there isn’t a reason it couldn’t be some day.

        It makes some sense to me to use the currently more economically viable blue hydrogen in developing technology, but I do agree it is far from perfect.

        Considering all this, I still think the negativity to hydrogen progress isn’t proportional.

        • manualoverride@lemmy.world
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          3 hours ago

          This is why the negativity is not proportional enough… why are the oil companies pushing for this? It’s not so the wind and solar farms can split water in the future and cut them out of the equation, it’s to delay BEV adoption and try to create a future where they are needed to supplement the horrible efficiencies of hydrogen production, and the need to transport it all over the world.

          None of these companies are trying to be altruistic, they are actively destroying the environment and buying influence, to continue making money by doing it.

          Batteries are more efficient, more energy dense, cheaper, last for decades and can be 97+% recycled after those decades of service to produce batteries that are even more efficient.

          Hydrogen has lost the battle for transport power.

          I will cheer any Hydrogen progress that is not attempting to be applied to something that already has a greener alternative.

    • manualoverride@lemmy.world
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      5 hours ago

      I think it’s the knowledge that hydrogen tech is being pushed so hard by the oil lobbies because it’s currently most cheaply made by refining it out of oil using massive amounts of electricity which they can generate by burning more oil.

      The astroturfing of hydrogen as a green fuel is disgusting, and straight out of the “Natural gas” playbook that got it piped to virtually every home in the western world over the last 200 years.

  • Troy
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    10 hours ago

    Hydrogen is a dead end. Always has been. But a bunch of people are stuck with sunk costs now.

    • Enceladus
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      8 hours ago

      Its just not aiming for the right markets. Its perfect for replacing heavy fuel user where fueling up is already restricted to limited locations like diesel generator trains, massive 18 wheelers and boats, but not for individual car market.

    • disguy_ovahea@lemmy.world
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      10 hours ago

      It would’ve been a great transition from fossil fuel, had we embraced it before EV tech was consumer ready. Now it’s just a step backward.

      • rbesfe
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        9 hours ago

        Hydrogen was never and will never be a viable and efficient transportation fuel

        • Troy
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          9 hours ago

          Special exception maybe for aviation and rocketry. But even then, methane (if made using green energy and the Sebatier process).

          • huginn@feddit.it
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            9 hours ago

            You can get comparable isp with methalox engines without any of the weight required to keep the hydrogen inside the rocket, right?

            • Troy
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              8 hours ago

              Hydrogen ISP is still king by a significant margin, but ISP isn’t the whole story – hydrogen comes with additional tank weight (due to lower density) and storage issues (pesky molecular size…). So that trade-off for ISP only really makes sense for an upper stage like Centaur. I’m not sure it makes sense for New Shepherd even…

        • CluckN@lemmy.world
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          9 hours ago

          Pshh you haven’t seen the peaks of blimp technology. On May 6th when they launch the Hindenburg we’ll see who gets the last laugh.

    • just_another_person@lemmy.world
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      9 hours ago

      Honestly, this is probably the best utility out of FCEB I’ve seen so far. It was always a dead-end for cars, but for short-term portable uses, this is great. There’s actually a HUGE industry around portable butane that could be replaced with something like this.

      Recreational, Construction, Culinary, Aviation…imagine replacing all of that with this as a solution, and you’ve got something. We’d obviously need to see some specs to see if it’s possible. It’s not going to make as much money as millions of cars on the road, but perhaps useful enough it will get uptake.

    • deegeese@sopuli.xyz
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      7 hours ago

      They’re reusable and we don’t have a problem with 5 gallon propane tanks so I don’t see why these gas cylinders would be worse.

      • CanadaPlus@lemmy.sdf.org
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        7 hours ago

        Hydrogen. I don’t know how Toyota has handled it and didn’t read the article yet, but those molecules are so tiny they get into everything and cause problems.

        Edit: Article says nothing of use, and it sounds like this is at the concept phase anyway, so it’s probably vapourware.

  • Diplomjodler@lemmy.world
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    9 hours ago

    So how long until one of those blows up? No matter how good the insulation, cryogenic hydrogen needs cooling to stay stable. You can’t just put it in a tank and store it for extended periods of time.

    • deegeese@sopuli.xyz
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      7 hours ago

      Portable to me implies that it’s not cryogenic or else it would have to let the hydrogen boil off and can’t do long term storage.

      So either these are room temperature and rely in unspecified magic to store the gas, or they’re short term only and require a truck based delivery/recycling system.