Joint industry project for CO2 based air conditioning | Knowledge Hub | Circle Economy Foundation
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Business case
Joint industry project for CO2 based air conditioning
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Daimler and BMW already were in the process of developing an airconditioning based on CO2 technology as a more climate-friendly refrigerant for its automotive air-conditioning systems. CO2 as a refrigerant — also known as R744 — is a naturally occurring gas with lower greenhouse gas effects than conventional refrigerants, and is ideal for use in specially designed automotive air-conditioning systems. Audi and Porsche, two more automakers that fall under the Volkswagen Group, will also switch to CO2 technology in mobile air conditioning systems as an alternative to R-1234yf.

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