Ameren

(AEE) - Get Report

and Hitachi Power Systems agreed to a technology exchange in the areas of air quality control and efficient power generation.

"Getting to the next level of emission reductions will require significant investment of capital and intellectual resources," the company said.

Ameren now estimates its costs to meet the new regulations to range from $2.1 billion to $2.9 billion through 2015, unless state regulations require further reductions.

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