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, ...

Until recently, carbon dioxide had been a strong candidate to displace hydrofluorocarbon (HFC)-134a as the refrigerant of choice for a new generation of automotive air conditioners. HFC-134a has a ...

TO RALLY public opinion against fluorine-based refrigerants, a German environmental group has recorded a car crash and staged a series of tests purporting to prove that a newly developed automotive ...

In February, the U.S. Environmental Protection Agency issued final approval of HFO-1234yf as a refrigerant for air conditioners in new cars and light trucks. It eventually will likely replace R-134a, ...

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 ...

LONDON – Rajiv Singh started thinking about how to do his part to fight global warming 15 years ago. Singh, a scientist at Honeywell’s lab in Buffalo, N.Y., began running computer models of tens of ...

Daimler engineers have found that under certain conditions, the new internationally recognised R1234yf refrigerant can be flammable. The company says it has alerted the relevant authorities to the ...

Hydrofluoroolefin (HFO) and Hydrocarbon (HC) refrigerants are referred to as fourth-generation refrigerants for the 21st century following chlorofluorocarbons (CFCs), hydrochlorofluorocarbons (HCFCs), ...