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, ...

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) ...

A few days ago we told you about the KBA's own testing of a number of cars that use the air conditioning coolant that's been demonized by Mercedes-Benz. While their report left us (and not only) with ...

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 ...

GERMANY: Mercedes insists own refrigerant testing “not surreal” as backlog grows Mercedes-Benz is insisting its own air-conditioning refrigerant tests were based on real-life situations and were not ...