Another option is to store the energy by transforming it into hydrogen fuel.
另一种选择是通过将其转化为氢燃料来储存能量。
Either way, the hydrogen fuel finishes up costing way too much.
不管哪种方法，氢燃料的运输本身都会带来太大的成本。
It also means that this might be an ideal country to produce hydrogen fuel.
它同样也意味着那里可能会是一个产生氢燃料的理想国家。
Large hydrogen fuel cells would also provide on board power and some drinking water.
大量的氢燃料电池将在飞船上提供能量和一些饮用水。
Oxygen could be used to breathe, and hydrogen could be turned into fuel, rocket fuel.
氧气可以用来呼吸，氢气可以变成燃料，火箭燃料。
Fuel cells to generate electricity operate on hydrogen and oxygen.
发电的燃料房就是使用氢和氧。
Devising a fuel tank to constrain hydrogen has always been a challenge.
发明一种燃料箱来限制氢气总是一项大挑战。
Pure and innocuous hydrogen is an ideal fuel for fuel cells.
高纯、无毒的氢是燃料电池的理想燃料。
More likely the fuel source will be electricity or hydrogen.
燃料很可能会使用电力或氢。
So, people are talking about the use of hydrogen in fuel cells.
人们在讨论，如何把氢用在燃料电池中。
We do need battery technologies. But we also need hydrogen and fuel cell technologies.
我们既需要生物燃料，也需要电池科技，同时，还需要氢能及燃料电池科技。
We do need battery technologies. But we also need hydrogen and fuel cell technologies.
我们既需要生物燃料，也需要电池科技，同时，还需要氢能及燃料电池科技。
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