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It's not really marginal efficiency. It's ~60% efficiency for a natural gas system, higher for a system with point-source capture on that natural gas. I'm not s
by elil17 4y ago
It's not really marginal efficiency. It's ~60% efficiency for a natural gas system, higher for a system with point-source capture on that natural gas. I'm not sure how exactly it pans out with the inefficiency of extraction but as I understand it those are fairly minor.
That's not to say that I think DAC is a silver bullet or something - it's obviously not because the CAPEX costs are huge at the moment.
- thot_experiment 4y agoYeah for sure, you're right that I shouldn't have said marginal as the situation wrt natural gas is decent (though that is the best case fossil fuel). It's important to be accurate about these things.