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Rocket Nozzles Could Pull Carbon from Air
July 6, 2010 -- An aerospace firm wants to use rocket nozzles to pull carbon dioxide from coal-burning power plants. The new system is far cheaper than currently available chemical-based systems used to capture carbon. The idea is to pressurize a power plant's exhaust gas, then put it through a rocket nozzle so that it expands and cools, allowing dry ice to form. Read More
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