Breweries are turning carbon dioxide into liquid gold

San Francisco (CNN Business)Carbon dioxide is a precious commodity in brewing. The gas is what gives beer its fizz.

Although literally tons of it are produced during fermentation, CO2 is not easy or cheap for small brewers to capture, so it’s often vented into the atmosphere. Instead of grabbing that CO2 to carbonate beer, tanks of CO2 are trucked in from across the country to meet brewers’ needs.
Earthly Labs, a startup out of Texas, hopes to change that. The company wants to establish a recycling loop via a fridge-sized machine named CiCi — shorthand for “carbon capture” — that allows small breweries to trap their CO2, use it to carbonate their beers and potentially sell extra gas to others who need it.

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