Earlier this month, Volkswagen lined up with Daimler and BMW to support Daimler's findings from last year that the new refrigerant, called HFO-1234yf, can become flammable. Volkswagen says it will ...
That said, the UCS suggested HFO-1234yf (or R-1234yf ... Benz parent Daimler said in September of that year that the refrigerant had the potential to leak at high pressures and ignite.