Previous Article Next Article Table of Contents International Journal of Hydrogen Energy, Vol.40, No.24, 7423-7423, 2015 DOI10.1016/j.ijhydene.2015.05.049 Export Citation Preface to the special issue on "Hydrogen and Fuel Cell Systems for Clean Energy Applications" Dincer I, Colpan CO Please enable JavaScript to view the comments powered by Disqus.