Current status of hydrogen energy

This paper examines the present status of hydrogen energy and looks at different approaches for technological advances. Some of the new developments in the progress of the recent directions of world hydrogen production and utilization are reported. The aim of this article is to inform the reader of hydrogen technology, economics, environmental impact, special system applications, hydrogen energy status around the world at the end of the 20 century as well as hydrogen organizations, associations, projects, periodicals and conferences. (C) 2002 Elsevier Science Ltd. All rights reserved.