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Blog Post: New refrigerant as cool as R-134 but safer if released

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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 [...]

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