EPA approves new air conditioning refrigerant

Automotive air conditioning of the future will not be the environmental blight it has been in the past. The EPA on Monday announced it has approved the refrigerant HFO-1234yf for use in vehicles.

Designed by Honeywell and DuPont, HFO-1234yf has a global warming potential that is 99.7 percent less than the current chemical (HFC-134a) used in most car air conditioners.

General Motors last summer announced it planned to use HFO-1234yf in 2013 models pending final approval.

GM will be joined by other automakers eligible to receive greenhouse-gas emission credits for 2012-2016 models by adopting eco-friendly refrigerant, thanks to new … Read more