Do you know there’s a new automotive air conditioning refrigerant called R1234yf? It’s a newer refrigerant that is more environmentally-friendly, and you’ll find it in the newer car models made after 2014. But what is R1234yf, and why is it such a big deal? According to AutoExpert TV in Australia, the history of automotive A/C refrigerant is as follows: “In the olden days they used freon-12 which was awesome as a refrigerant but might as well have been Sarin gas as far as the ozone layer was concerned. It was also a pretty good propellant for aerosol cans. Developed countries basically ditched Freon-12 in 1996, and developing countries boned it in 2010. The refrigerant in your car right now is probably the r134a that’s been in common use for about 20 years. It’s about the same as Freon 12 as a refrigerant, but its effect on the ozone layer is insignificant. It doesn’t burn in most environments, either, and it’s non-toxic. But i ... read more