Hydrogen Will Not Save Us. Here's Why.
Sabine Hossenfelder2 HN recommenders · recommended in 2 months, 2023–2023
explainer · general · 2023–2023 on HN
Sabine Hossenfelder explains why hydrogen is a poor answer for decarbonization, covering how most hydrogen comes from fossil fuels, the efficiency losses of green hydrogen and reliance on rare metals in fuel cells.
HN cites it in hydrogen strategy threads as a concise skeptical summary of why hydrogen is not yet viable.
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3 comments from Hacker News
If you have some time: ▶ this video (Sabine Hossenfelder) If I remember video correctly, summary would be: not yet
Sabine Hossenfelder recently made a video about hydrogen. Her point is that it is not a good choice for decarbonization, but as part of the video she goes though the various "hydrogen colors" and their meaning. ▶ this video
Hydrogen, at the moment at least, is anything but green. In 2019 95% of the hydrogen produced globally was coming from fossil fuels (black, gray and brown hydrogen). ▶ this video