R1234yf is a synthetic HFO (hydrofluoroolefin) refrigerant developed by DuPont and Honeywell. It is a successor to R134a for car air-conditioning systems. The reason R1234yf refrigerant is being introduced as because it has an very low global warming potential (GWP), with a rating of less than 1. This means that one kilogram of R1234yf released to atmosphere has a significantly …