Exactly right! The distinction in chemical composition of Honeywell's refrigerant, Honeywell YF (R-1234yf), in comparison to conventional HFC refrigerants such as HFC-134a, is what results in its significantly reduced global warming potential (GWP). The presence of a double bond in the HFO molecule enhances its reactivity and its susceptibility to atmospheric breakdown, leading to a shorter lifespan in the atmosphere and consequently a lower GWP. Apart from its diminished GWP, Honeywell YF offers further ecological and safety advantages over HFCs. It boasts low toxicity and flammability, rendering its handling and transportation safer. Furthermore, it exhibits high energy efficiency, contributing to the mitigation of greenhouse gas emissions from vehicle air conditioning systems. Due to these factors, numerous countries and regions have initiated the phasing out of HFCs in automotive air conditioning setups, opting instead for HFO refrigerants like Honeywell YF.