Winds of Change Could Power Energy Shift

Wind turbines only provide 1% of power in the US, but advances by other nations might there's a push to up that number after the advances made by other nations. When storms pound Spain, wind-driven power provides up to a quarter of the nation's supply, driving down the cost of electricity by 11%, reports ABC News. That kind of savings could be possible in America, too.

Energy consultants estimate that if US companies were required to create at least 15% of their power from renewable sources, the average cost of electricity would drop 7%. And wind is a great source, when it's blowing. "Once your wind turbines go up, you have basically no costs," explains one proponent. "The fuel is free."