Crowd oil not crude oil.

Dittmeyer, Roland; Klumpp, Michael; Kant, Paul; Ozin, Geoffrey · Nat Commun · 2019

Where this comes from

Abstract

Climate change represents an existential, global threat to humanity, yet its delocalized nature complicates climate action. Here, the authors propose retrofitting air conditioning units as integrated, scalable, and renewable-powered devices capable of decentralized CO<sub>2</sub> conversion and energy democratization.