A Startup Wants to Power Data Centers With 'Supercritical' Carbon Dioxide

The technology could strap onto existing gas turbines and make them more efficient--but it wouldn't do away with their emissions entirely. A new company has a plan to make the dirty gas turbines powering data centers more efficient: liquid carbon dioxide. American Supercritical came out of stealth Wednesday, announcing $8 million in funding. It wants to retrofit inefficient gas turbines that many data centers rely on for power with units that can generate more power, without adding more emissions (though the gas-fired turbines will continue to emit carbon pollution). The technology can also theoretically be used on a wide variety of energy sources at a time when power demand is skyrocketing.