“By 2030 the Department of Energy wants 20 percent of electricity produced in the United States to be generated by wind. Wind currently generates less than 1 percent of the country's electricity, so the increase will require the number of new wind turbine installations to jump from 2,000 to 7,000 per year, according to the DOE. Although wind turbines, which typically stand 300 feet tall, are environmentally benign when compared to coal fired power plants, they are much more complex than the simple windmills of the past and face a number of operating problems that scientists are trying to solve.
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Scientists struggle for wind power solutions
