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VW Using CO2 in Air Conditioning Systems

VW logoVolkswagen has ordered air conditioning systems that use CO2 as a coolant for its VW Phaeton and the Audi A8, the Frankfurter Rundschau reports.

In March 2013, VW, Daimler, Audi, BMW and Porsche originally announced plans to develop CO2 technology as a more climate-friendly refrigerant for air conditioning systems.

VW says CO2 as a refrigerant — also known as R744 — has lower greenhouse gas effects than conventional refrigerants, with a GWP (Global Warming Potential) value of 1, or 99.3 percent below the European Union-specified GWP limit of 150. The German automaker says the technology will be rolled out progressively over its entire vehicle fleet.

German media sources have reported four other carmakers — Daimler, Audi, BMW and Porsche — will also switch to CO2 technology in mobile air conditioning systems as an alternative to R-1234yf.


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One thought on “VW Using CO2 in Air Conditioning Systems

  1. As an interesting side note. Previous CO2 systems in development were at such a high pressure that maintenance crews were required to wear flak jackets to service the cars.

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