Section III Translation & Grammar
Passage 1
AS FAR BACK AS JULES VERNE, visionaries have predicted that society will someday be utterly transformed by energy based on hydrogen. The lightweight gas, the most abundant element in the universe, can be made from water. It is wondrously clean, emitting mainly pristine steam when burned. When fed into fuel cells, which generate electricity, it offers unprecedented efficiency－these electrochemical reactors extract twice as much useful energy from fuel as internal-combustion engines can.
In fact, hydrogen-powered fuel cells promise to solve just about every energy problem on the horizon. In homes and offices, fuel cells would keep the lights on when the grid can't. Cars propelled by the cells wouldn't foul the air. Hydrogen-based energy would mean less global warming as we shift away from fossil fuels.
None of this is as pie-in-the-sky as it sounds. Potent commercial forces are bringing the hydrogen economy along faster than anyone thought possible only a few years ago. In the next two years, the first wave of products based on hydrogen-powered fuel cells is expected to hit the market, including cars and buses powered by fuel cells, and compact electric generators for commercial buildings and houses. Technology for generating hydrogen is ready now: "reformers" that extract hydrogen from natural gas, and "electrolyzers," Jules Vernian d
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作者:曹其军 | 写于:2008-11-7