It’s a “green” gas that's meant to keep cars and the planet cool, but could it heat things up instead? Mercedes-Benz announced a recall this week after it found that a refrigerant used in the air ...

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) ...

Gina McCarthy, who faces a hearing Thursday morning on her fitness to serve as EPA administrator, was primarily responsible for EPA's promotion of an automotive air conditioning refrigerant that ...

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 ...