> One important difference between the CFC ban and carbon emissions caps is the availability of inexpensive alternatives: HFCs. A very important thing to note

> One important difference between the CFC ban and carbon emissions caps is the availability of inexpensive alternatives: HFCs. A very important thing to note about the difference is that CFCs and HFCs are produced by the same corporations. Du Pont fought tooth and nail against a CFC ban until it was shown that HFCs would work in the same applications, at which point they turned about face and supported it.