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  1.  
    Well, on this planet anyway. No sense in being over-parochial.
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      CommentAuthorTrim
    • CommentTimeJun 28th 2019
     
    At last enormous amounts of fossil fuel to burn, let's hope Trump is right about climate change.

    Study shows how to produce natural gas while storing carbon dioxide.

    https://phys.org/news/2019-06-natural-gas-carbon-dioxide.html
    • CommentAuthorAsterix
    • CommentTimeJun 28th 2019
     
    If the process can be shown to work in the field on an industrial scale, it has enormous potential.


    That's a huge "if".
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      CommentAuthorTrim
    • CommentTimeJun 28th 2019
     
    I wouldn't have it any other way.
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      CommentAuthorTrim
    • CommentTimeJun 1st 2020
     
    Engineers develop near-zero emissions engine technology - Revolution-Green.

    https://revolution-green.com/engineers-develop-near-zero-emissions-engine-technology/

    Diesel electric?
    • CommentAuthorAsterix
    • CommentTimeJun 1st 2020 edited
     
    Is clean diesel like "clean coal"--theoretically possible, but impractical?

    ISTR reading a story about how, amid this pandemic, lowered use of personal vehicles has resulted in fewer NOx emissions, that particulate emissions have remained stubbornly high, due to use of large diesel engines in trucks and mass transit.
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      CommentAuthorAngus
    • CommentTimeJun 1st 2020
     
    How do you get zero CO2 emissions from an engine that gets its energy by oxidising carbon?
    •  
      CommentAuthoralsetalokin
    • CommentTimeJun 1st 2020 edited
     
    If the combustion is remote, the fixed engine-generator installation can be equipped with heavy duty scrubbers and chemical CO2 absorbers and such tech that could never appear on a small mobile vehicle. Make those transport trucks electrically powered, and scrub the heck out of the emissions of the remote, fixed, generator plant.
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      CommentAuthorAngus
    • CommentTimeJun 1st 2020
     
    Well if you include sequestering the CO2 underground, or putting it back into seashells, perhaps I would agree.
    •  
      CommentAuthorTrim
    • CommentTimeJun 1st 2020 edited
     
    Or turning it into wood or graphene.
    • CommentAuthorAsterix
    • CommentTimeJun 1st 2020
     
    Okay, let's say graphene.

    How much energy does it take to transform a mole of CO₂ into graphene?
    How much energy was produced when that diesel was burned and eventually converted into electricity?

    Is this a "winning" process?
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      CommentAuthorTrim
    • CommentTimeJun 1st 2020
     
    Human and animal wetware produce CO2, is this a "winning" process?
    •  
      CommentAuthorAngus
    • CommentTimeJun 1st 2020
     
    On the available evidence, no.
    • CommentAuthorAsterix
    • CommentTimeJun 1st 2020
     
    No, but it makes little sense to turn CO₂ into graphene as amelioration for burning diesel to generate electricity if the net energy required is greater than the energy realized by burning.
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      CommentAuthorTrim
    • CommentTimeJun 1st 2020
     
    I can't be bothered to look up my post of a possible economical way to do this, try educating Andrew.
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      CommentAuthorTrim
    • CommentTimeJun 14th 2020
     
    Gasoline from airborne CO2 as soon as this year at a price competitive with fossil fuels.

    https://revolution-green.com/gasoline-co2-competitive/
  2.  
    Posted By: TrimGasoline from airborne CO2 as soon as this year at a price competitive with fossil fuels.

    https://revolution-green.com/gasoline-co2-competitive/


    Now that would be a neat trick, even if the energy cost is higher than sucking it up from the ground.
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      CommentAuthorTrim
    • CommentTimeJun 14th 2020
     
    If the above is correct from https://www.prometheusfuels.com/ it is really a game changer, aircraft should start switching over to it now, in theory using the same tanks.

    I still think fuel from renewables or fission will cost more but Australia and India will be happy.
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      CommentAuthorTrim
    • CommentTimeJun 14th 2020
     
    BMW i Ventures Funds Prometheus Fuels, a Company Converting CO2 in Air to Carbon-Neutral Gasoline.

    https://www.bmwblog.com/2020/06/09/bmw-i-ventures-prometheus/
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      CommentAuthorTrim
    • CommentTimeJun 14th 2020
     
    Today, BMW i Ventures announced that it will be investing in the company who came up with this process, Prometheus Fuels.

    Will Tesla shares start to fall?