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Thanks, all. David and Bob, there's indeed a lot of work being done on aviation fuels, but I haven't heard that there's anything easy about it, or anything that is anywhere near ready for prime time. Links and references always welcome if there's any new research we should be looking into!

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It is, or should be, easy to decarbonize air travel. It is not only possible, but has been done, to take carbon dioxide out of the air and convert it to a fuel such as gasoline or kerosene which can then be used in airplanes. David Keith set up his company, Carbon Engineering, in Squamish BC, to do just that. I gather he is setting up a larger company in the USA to do it. It may cost a little more than fuels from the oil companies, but so what? This will be much cheaper than paying for damage from hurricanes, floods and droughts. I would like to know why not?

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One of the best articles that I have ever. Thanks Michael.

I think that David Huntley’s comment on decarbonizing air travel points to the need for further investigation.

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Love it, great column.

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