New Climate-Friendlier Coolant Has a Catch: It’s Flammable https://t.co/8V6W7Nn00g
— Wheels (@nytimeswheels) October 22, 2016
To comply with ever-tightening emissions regulations, many major automakers are making the switch from hydrofluorocarbons to a patented new chemical called HFO-1234yf to provide the cooling power in vehicle AC units.
Hydrofluorocarbons (HFCs) are extremely bad for the environment. They stay in the atmosphere for over a decade, and have a global-warming potential (GWP) over 1,000 times higher than carbon dioxide. HFO-1234yf, on the other hand, was...