http://www.gizmag.com Known mainly for their potential application in hydrogen cars, fuel cells are a promising technology with several unresolved issues, including working temperatures. Scientist at the University of Calgary have discovered a new material that allows a common kind of fuel cell to work at higher temperatures, increasing efficiency while decreasing manufacturing costs.en gizmag.com http://www.gizmag.com/cheaper-more-efficient-pem-fuel-cell/13496/#comment-11185 http://www.gizmag.com/cheaper-more-efficient-pem-fuel-cell/13496/#comment-11185 Wed, 02 Dec 2009 09:54:44 -0600