These 20 futuristic hydrogenvehicle concept designs are some the coolest concept designs that we'd like to see rolling down the highway soon.
这20种未来派的氢燃料概念车的设计是最酷的概念设计，不久之后，我们可能能看到它们行驶在公路上。
2
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.