Next time you go into your kitchen or stand by your air conditioner, take a second to listen and you'll probably hear a rather annoying buzzing noise. Xergy, a Delaware-based company, has a new innovation that could not only get rid of the buzzing sound, but use less energy, too. In order for your refrigerator to keep things cold or your air conditioner to cool the air, gas is compressed into liquid, which then flows through a set of coils. This 100-year-old technology is based on CFCs and compressor motors. Xergy's Kuel-Cell gets rid of the need for CFCs and compressor motors, creating a environmentally friendly and nearly silent process. In the Kuel-Cell, hydrogen gas passes through a thin membrane, turning a process that used to be mechanical into one that is chemical. Xergy has teamed up with General Electric to create a new line of products that could be on the market within three years.
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