EPA approves use of HFO-1234yf refrigerant in vehicles
from Auto Blog Green
What is HFO-1234yf? It's the refrigerant that recently received final approval from the Environmental Protection Agency and is supposedly 350-times less damaging to the atmosphere than the current HFC-134a. HFO-1234yf, which is claimed to be a non-ozone-depleting refrigerant, can now be used in air conditioning systems of all new cars and trucks sold in the U.S.
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