Bruce Nunnally Posted July 23, 2010 Report Share Posted July 23, 2010 So why is GM switching from R-134 to HFO-1234yf? The new refrigerant provides lower “global warming potential” (GWP), which is to say it is better for the environment. It cools as well or better than R-134. Current automotive air conditioners use hydrofluorocarbon HFC-134a, which has a GWP of 1430. The European Union’s Mobile Air Conditioning [...] View the full Blog Post Bruce 2023 Cadillac CT4-V Blackwing Follow me on: Twitter Instagram Youtube Link to comment Share on other sites More sharing options...
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