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  • I agree,
    which is why my link did not suggest 'bio-methanol'.
    I believe the operators of large vessels will switch to methanol,
    to reduce the NOx & SOx emissions from standard, (high Sulphur fuel oils).
    Some are ordering new build vessels with twin fuel capability.

    Potentially they are waiting for someone to devise a method of making bio-methanol from a waste stream, (say bio-digested post consumer food waste).

  • You can make methane (natural gas) from co2 and hydrogen. Doing so on an industrial scale is a (much) bigger challenge. I think spacex are looking at it, as a way of generating fuel (on mars and earth) for their rockets.

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