N.C. utilities seek extension of mandate for power from manure

North Carolina's electricity providers say poop-to-power isn't ready for prime time.

Progress Energy, Duke Energy and other providers have asked state regulators to delay and modify a 2007 state law that requires them to generate a minimum amount of energy from pig or chicken waste.

The law, designed to promote renewable energy and efficiency, requires utilities to begin getting some energy from pig and chicken litter by 2012.

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