Abstract

IN HIS 2003 State of the Union address, President George W. Bush proclaimed that the time was ripe for the hydrogen economy, a world in which hydrogen is the primary energy currency instead of fossil fuels. He committed $1.2 billion toward research to develop hydrogen fuel-cell technology and the ability to cheaply prepare and store hydrogen to meet transportation needs. Concerns about oil supply, fuel price volatility, and greenhouse gas emissions were going to evaporate. Now, nearly a decade later, a veil of dust has settled over the hype about hydrogen. Officials in the Bush Administration hadn’t promised an overnight success, although the public may have perceived the pronouncements that way. But, as with any disruptive technology, there is a long product development cycle. For hydrogen in particular, the uncertainty over just how long oil will last and competing interests in biofuels and batteries for powering cars stand in the way. Even with ...

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