Sens. Tom Udall (D-N.M.) and Mark Udall (D-Colo.) introduced a bill (S. 741) on April 6 that would establish a renewable energy standard requiring that utilities generate 25 percent of their electricity from those sources by 2025. The bill outlines a gradual series of steps beginning with a requirement that 6 percent of electricity come from renewable sources by 2013. The percentage required would increase every one to two years until it reached 25 percent.
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