Carbon Engineering, the company Keith founded in 2009 and that has Bill Gates’ support, has been capturing a ton of carbon dioxide every day since 2015 at its pilot plant north of Vancouver.

They describe their results today in the journal Joule.

“We help to bring it down to reality.

Heat and known chemical reactions separate the CO2 molecules.

Keith acknowledges that making carbon dioxide an ingredient in fuel doesn’t help to reduce the overall amount of carbon dioxide in the atmosphere.

While the technology to capture carbon dioxide from air isn’t new—it was first developed in the 1950s—its use on a large scale to prevent global warming is so far unproven and unaffordable.

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