摘要: There is growing interest in the use of hydrogen as main fuel for stationary, mobile, and transportation applications, especially using cells. This particularly true light Bush Administration's efforts to increase research development these technologies. In his January 2003 State Union Address, President announced a new, five-year initiative on effort key component proposed energy policy. Policymakers are interested cells because they could potentially lead significant societal benefits. Depending how produced distributed, help significantly reduce pollution greenhouse gas emissions. Further, if were domestic supplies, it dependence imported petroleum. Also, be used improve efficiency reliability electricity generation. However, there some barriers "hydrogen economy." Most importantly, current cost both makes them uncompetitive most applications. Reducing one driving factors government's involvement cell development. But this raises concerns, including such possibility government "picking winners" among competing report discusses six questions related economy cells: 1) what fuel; 2) cell; 3) will used; 4) where come from; 5) would mean move economy; 6) role can Congress play.
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