A future “hydrogen economy” using hydrogen as an energy
carrier and fuel could offer an alternative to today’s
economy with its prevalent combustion of fossil fuels.
Initially thought of as a new technology for personal
mobility services (e.g., cars) and high-value applications
such as provision of electric power during space flight,
hydrogen now is receiving attention for other applications,
including industrial processes, heavy vehicles, forklifts,
portable power, and electric power buffering and balancing