Abstract
The worldwide-established energy trade system consists of fossil and nuclear elements. In quite a number of cases it has proved its capability to successfully balance out critical supply shortages or price jumps. Two inherent weaknesses, however, will force the transition to a new system in the course of the next century: the peak production of fluid fossil fuels in a few decades to come, and the environmental threat. A global hydrogen energy supply system with strong solar components offers the chance to replace fluid fossil energy; this is even more so the case, the sooner all external costs of the existing energy systems are entirely “internalized”.—All major solar and hydrogen energy technologies exist; an insight into their status and further development and perfection is given; examples for early niches' applications conclude this paper.
Published Version
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