Previous Article Next Article Table of Contents International Journal of Hydrogen Energy, Vol.42, No.4, 2434-2434, 2017 DOI10.1016/j.ijhydene.2016.11.121 Export Citation A preface to the special issue section on "The National Hydrogen Technologies Congress (UHTEK 2015), 20-23 December 2015, Istanbul, Turkey" Midilli A, Kucuk H Please enable JavaScript to view the comments powered by Disqus.