2.4M views · Jan 14, 2023 · 20:02 · 2 HN recommenders · 3 mentions · discussed 2023
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.
Why Hacker News points people here: HN cites it in hydrogen strategy threads as a concise skeptical summary of why hydrogen is not yet viable.
“Her point is that it is not a good choice for decarbonization”HN comment, 2023
“Her point is that it is not a good choice for decarbonization”
Explains hydrogen colors and why it is poor for decarbonization
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
“summary would be: not yet”
Summary: hydrogen is not yet viable
If you have some time: this video (Sabine Hossenfelder) If I remember video correctly, summary would be: not yet
“In 2019 95% of the hydrogen produced globally was coming from fossil fuels”
Hydrogen production is mostly fossil-fuel based
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
