The Long Road to an Alternative-Energy Future

22 Feb 10

New energy technologies are coming that will shrink our use of fossil fuels and cut emissions of greenhouse gases. But even if you combine all the current alternatives, they aren't likely to make much of a dent for quite a few years. To better understand why, the article offers a closer look at a handful of the most-promising clean-energy alternatives.
http://online.wsj.com/article/SB10001424052748704757904575077312569582760.html?mod=googlenews_wsj

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