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Aerleum plans to turn CO2 directly into fuel for cargo ships and, eventually, airplanes


To cut direct air capture's costs, the startup has developed a material that, in a two-step process, absorbs carbon dioxide and transforms it into another compound.

Most DAC companies focus on the capture part of the process, designing what are essentially large sponges that can soak up carbon dioxide from the atmosphere. For now, Aerleum is focused on using the CO 2 that’s already in the atmosphere, but Fiedorow said the company has run tests using up to 15% carbon dioxide, so it’s possible the material could be used to capture the gas from some industrial processes. To build a pilot of its DAC device, Aerleum has raised $6 million in seed funding from 360 Capital and HTGF with participation from Bpifrance, Marble, and Norrsken.

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