Affiliation: | Pennsylvania State University, Earth and Mineral Sciences Environment Institute, 2217 Earth-Engineering Sciences, University Park, PA 16802-6813;(814) 865-4792;;General Motors Fuel Cell Activities, 11 Carriage St., Honeoye Falls, NY 14472;University of Wisconsin, Electrical and Computer Engineering Department, University of Wisconsin-Madison, 2414 Engineering Hall, 1415 Engineering Dr., Madison, Wl 53706-1691 |