For full market implementation of PEM fuel cells to become a reality‎,‎ two main limiting technical issues must be overcome‎- cost and durability‎.‎ This cutting‎-edge volume directly addresses the state‎-of‎-the‎-art advances in durability within every fuel cell stack component‎.‎ Designed to be relevant to the professional community‎,‎ in addition to researchers‎,‎ this book will serve as a valuable reference‎,‎ featuring topics covered nowhere else‎,‎ and a one‎-stop‎-shop to create a solid platform for understanding this important area of development‎.‎ This reference covers aspects of durability in the entire fuel cell stack‎.‎ Each chapter also includes vision of pathways forward and an explanation of the tools needed to continue along the path toward commercialization‎.‎ It features expert insights from contributing authors who are key industrial and academic leaders in the field‎.‎ It includes coverage of two key topics in the field ‎- Testing and Protocol