Hydrogen is "just about the worst possible vehicle fuel", says Robert Zubrin, a rocket scientist and the author of "Energy Victory", a book on the post-petroleum future.

氢“只是最坏情况下的汽车燃料选择，”火箭科学家罗伯特·祖布林说，他还是《能源的胜利》的作者，这是一本讲述关于后石油未来的书。

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“You put them through missions, and you see who is tough and cheerful and team-spirited,” Zubrin says. “If you lose your sense of humor on the way to Mars, you’re finished.”

“你让他们完成任务，然后观察谁最坚强、快乐并富有团队精神的，”祖布林说到，“如果你在去火星的路上丢失了幽默感，那么你完了。”

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Dr. Zubrin is the founder and President of the Mars Society, as well as a member of the organization's Board of Directors.

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"We're better prepared for a journey to Mars now than we were when we sent men to the moon in the 1960s, " Zubrin told CNN.

CNN: Life on Mars?

Robert Zubrin Dr. Robert Zubrin, Senior Fellow.

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