![]() The Green Optimistic (blog) | VW Developing CO2 Air Conditioning System, Rejects EU Law for 2017 The Green Optimistic (blog) A new refrigerant developed by Honeywell and Dupont, HFO-1234yf, will be required by law to replace R-134a, but Volkswagen is rejecting this and developing its own carbon dioxide air conditioning system. The new refrigerant, HFO-1234yf, is supposed to ... |
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