人类这一共同体的能源动脉至今仍主要由化石燃料供给；但除非新的能源来源得以提供，它们很快就有枯竭的危险。氢既是最重要的、也是生态上最洁净的动力来源之一，它构成了氢动力工程的核心，并被视为化石动力来源的未来替代品……
The energy arteries of the corporate body of mankind are still fed mainly by fossil fuels; but they are in danger of running dry soon unless new energy sources are made available. One of the most important as well as the most ecologically pure power source is hydrogen, that constitutes the heart of hydrogen power engineering and considered as a future alternative to fossil power sources...