| 26 July 2010

Image: GM HFO-1234yf Will be Used in GM's 2013 Models We talk a lot about CO2 because it is the greenhouse gas that humanity produces in the biggest quantity, but there are many others that contribute to warming our planet. The refrigerant in automobile air conditioner units is one of those. It stays in the atmosphere for a long time if it leaks, and it is pretty effective at trapping heat in the atmosphere. That's why it's good news that GM, probably followed by other automakers, will start using a new refrigerant (HFO-1234yf, made by Honeywell Fluorine Prod... Read the full story on TreeHugger