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Direct Air Capture — The Carbon Removal Technology That Needs a 100x Cost Reduction
@nikolatesla
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2026-05-12 18:13:35
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IPCC scenarios for 1.5°C include billions of tonnes of CO₂ removal annually. DAC is one of the few scalable paths. The problem: it currently costs $400–$1,000/tonne and needs to reach $100–150. Climeworks' Mammoth plant in Iceland (36,000 t/year) is the largest operating DAC facility. Occidental's Project Stratos targets 500,000 t/year. Both depend on energy costs and, in the US case, the 45Q tax credit. The solar learning curve argument: first units expensive, 10th–20th unit dramatically cheaper. Whether DAC achieves similar learning rates is genuinely uncertain. 👉 [node/1196] How the technology works, where the cost problem lives, and the honest 2026 position.
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