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Taking your comment, it sounds like mechanical / industrial scale carbon capture is only viable if we have large amounts of cheap and renewable energy. That won

Taking your comment, it sounds like mechanical / industrial scale carbon capture is only viable if we have large amounts of cheap and renewable energy. That won't happen anytime soon either, any excess is bought up by datacenters, hydrogen production (which is used like a cheap electricity sink), or storage (batteries, water pumped up into a lake, etc). But yeah, carbon emissions won't be solved until renewable energy production out-competes emitting energy production by a significant margin, and even then it will take a while due to market forces.

pfdietz 3y ago
Carbon capture from combustion rather than from the air seems more practical, hence the suggestion to do that on the ship. Allam cycle systems have an overall efficiency similar to combined cycle systems (around 60% LHV) and deliver the CO2 of combustion in separated, compressed, liquefied form. https://en.wikipedia.org/wiki/Allam_power_cycle https://en.wikipedia.org/wiki/Allam_power_cycle