One of the reasons Greenpan is green is that it's products are 100 percent PFOA- and PTFE-free. Traditional non-stick pans like Dupont's Teflon-based nonstick cookware use PFOA (perfluorooctanoic acid), which is a synthetic chemical that's used to manufacture PTFE (polytetrafluoroethylene).Mar 24, 2009read more >>