this post was submitted on 26 Jan 2026
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CO2 doesn't vary much in concentration by how close you are to an emission source unless you are literally sucking air out of a tailpipe. You might get a 10-20% increase in the centre of a city instead of the countryside, hardly enough to make up for being somewhere with so much energy coming in that they frequently have to curtail it (which could then be used for this instead).
This isnt CCS which cheaply turns CO2 into an inert form of carbon, its an expensive process for turning CO2 into a very useful form.
Sort of. Wind is very good at stirring things up, but you can still see differences in places where there are a lot of plants (1-2%). This things needs CO2 to function and that means it needs concentration so the more CO2 to start with the better.
Fortunately this is small and electric is something we already move to cities in large quantities. Putting it in a city makes sense - assuming it works and is safe of course.