Merrill offers link to energy efficiency

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US investment bank Merrill Lynch has launched the Energy Efficiency Index, which identifies industry sectors which should benefit from the drive to improve global energy efficiency.

The index comprises 40 companies globally that should profit from the growing momentum to reduce carbon dioxide (CO2) emissions and the cost of energy. "There has been a clear shift of resources and investor attention into renewable energy, but energy efficiency remains an area that is relatively underexplored," s