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Carbon Neutral Jet Fuel

Discussion in 'Energy, Environment, and Policy' started by Joel Weber, Jun 11, 2018.

  1. Joel Weber

    Joel Weber Member

    Joined:
    Dec 14, 2017
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    Location:
    Massachusetts
    Sucking carbon dioxide from air is cheaper than scientists thought claims

    If it's really possible to make jet fuel from atmospheric carbon dioxide for $3.79/gallon, why isn't that happening right now? The cheaper FBO at Hawthorne CA is listed as currently charging $4.82/gallon at AirNav: KHHR - Jack Northrop Field/Hawthorne Municipal Airport
     
  2. mblakele

    mblakele (つ ͡° ͜ʖ ͡°)つ

    Joined:
    Mar 7, 2016
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    Location:
    SF Bay Area
    From the article: "Carbon Engineering hopes to build a small facility that can produce 200 barrels of fuel per day by 2021, and then a commercial plant that can produce 2,000 barrels per day".

    That projected $4-ish/gal price would be at scale, I expect, while smaller-scale production will cost much more per liter. Processes that work well in the lab or on a small scale are often difficult to scale up. Sometimes they fail to scale.

    I hope this one works, and earlier than expected. But by way of comparison, in 2012 the USA used close to 1.4M barrels of jet fuel every day.

    SpaceX is working on something similar: maybe they'll get there faster.

    Elon Musk on Twitter
     
  3. McRat

    McRat Well-Known Member

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    Location:
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    Algae makes far more economic sense. But if you hand folk money to make pigs dance, that's entertaining too.
    Algae consumes CO2 at an amazing rate, and makes REAL jet fuel. Not "low-carbon" fuel.
     
  4. Hyper Sonic

    Hyper Sonic Member

    Joined:
    Jun 23, 2018
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    Location:
    California
    "SpaceX is already developing high efficiency CO2 capture with H2O to form liquid CH4 (methane) & O2. Critical for propellant production at Mars Base Alpha."

    Does Earth have enough CO2 in the air to make this worthwhile on Earth, or just on Earth's neighboring planets?

    Mar's atmosphere is about 95% CO2 and 1/100th the thickness of Earth's.
    Earth's atmosphere is about 0.04% C02
    Venus's atmosphere is about 95% CO2 and 100 times the thickness of Earth's.

    An interesting link on Algae
    This Algae Eats CO2 From The Atmosphere | HuffPost
     

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