Carbon dioxide (CO2) is not new to refrigeration systems. Alexander Twining proposed using CO2 as a refrigerant in a British patent granted him in 1850. Thaddeus S.C. Lowe, perhaps best known for his ...
Air conditioning is essential for new cars. But the fluorocarbon refrigerant HFC-134a — the global standard — is considered an ozone-depleting substance and the European Union passed regulations ...
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