“What we’ve done is build a [direct-air capture] process that is—as much as possible—built on existing processes and technologies that are widespread in the world,” said David Keith, a professor of applied physics at Harvard and the lead author of the new study. “That’s why we think we have a reasonable possibility of scaling up.”
Turning Air Into Gasoline
The new paper says it can remove the same ton for as little as $94, and for no more than $232. At those rates, it would cost between $1 and $2.50 to remove the carbon dioxide released by burning a gallon of gasoline in a modern car.
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