China displays low-carbon tech at the Winter Olympics?
A Greener Life
FEBRUARY 9, 2022
This is replacing the traditional hydrofluorocarbons which have been found to damage the ozone layer. About the technology, Wu Xiaonan, an official at the National Speed Skating Oval said: “With the CO2 refrigeration process, we can save 20-30% on electricity compared to traditional ice-making methods.”
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