4 ms·

I can't answer your question but like green hydrogen I'd guess there are practical reasons.. but my question is wouldn't that just contribute to greenhouse gass

• loudmax 5y ago
  If you're pulling carbon from the atmosphere, the process would theoretically be carbon neutral. I think this is one of the goals for SpaceX's Starship vehicle. In practice, I'd have reservations about widespread manufacture of methane. Existing methane infrastructure is often leaky and methane itself is a far more powerful greenhouse gas than carbon dioxide. That isn't to say that manufacturing methane shouldn't be considered, but it's extremely shortsighted to say that methane manufacture is the only storage technology that should be considered.
  • ncmncm 5y ago
    You would like for carbon pulled from the atmosphere to be incorporated into something that would not immediately dump it back into the atmosphere again, such as carbon nanotubes to put in cement to strengthen concrete.
    • guerrilla 5y ago
      In the short term yes, absolutely, but the other technology would be fine for the longer term.
• dibujante 5y ago
  If you create it out of atmospheric carbon then it's carbon-neutral. I don't know if that's what they're proposing, though.