The refrigerant R1234yf is being considered for use in air conditioning systems in cars. Chemists now show that, in the event of a fire, it releases the highly poisonous carbonyl fluoride, and urge ...

WARRENDALE, Pa. — Utilizing input from Daimler, SAE International initiated additional safety research looking at R-1234yf, a new low global warming potential (GWP) refrigerant that can be used in ...

R134a succeeded R12 almost 30 years ago due to the latter's potential for damaging the ozone layer. In recent years, certain automakers turned to R1234yf. Although it's better for the environment, ...

EPA has again revised standards for refrigerant used in vehicles. R-12 refrigerant (aka “Freon”) was the go-to coolant for more than 50 years. Then it was discovered that chlorine atoms in escaped ...

In addition to tailpipe emissions and greenhouse gases, the U.S. Environmental Protection Agency also regulates other materials in cars that may emit substances harmful to humans. And so it is that ...

As part of a routine test of a new refrigerant being used in the Mercedes-Benz B Class, engineers simulated a pinhole leak in a coolant line. When the refrigerant (now mixed with A/C compressor oil) ...