In this paper the energy needs of a hydrogen economy are quantified.

本文件中的能源需求，氢经济的量化。

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In order to improve fuel economy of fuel cell hybrid electric bus, an optimized energy management algorithm was exploited based on equivalent hydrogen consumption theory.

为了改进燃料电池混合动力客车的燃油经济性，基于等效氢耗理论，对燃料电池混合动力系统能量管理算法进行了优化。

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In this paper, the main challenges of hydrogen storage for hydrogen economy have been summarized and analyzed from the recent published US Department of Energy literatures and other papers.

本文总结了近年来车用储氢的研究进展，从各个不同的储氢方法和车用的相关要求作了一一分析。

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Before I close, I would like to say a few words about the idea that "the hydrogen economy" can magically solve our energy problems.

CNN: Commentary: Let's get real about alternative energy

Proponents of a hydrogen economy want to produce the hydrogen with excess electricity from renewables such as wind power and solar energy.

BBC: Hydrogen's energy promise improves