Obama to impose carbon pollution cap on power plants

In his most sweeping effort to date to reduce carbon emissions and combat climate change, the Obama administration will unveil a new rule from the Environmental Protection Agency on Monday limiting the amount of carbon pollution from coal power plants.  The rule will impose a cap on the level of emissions existing power plants are permitted and it will provide each state a flexible series of options to implement that cap. Among other options, power plants will be allowed to increase the energy they derive from renewable sources like wind and solar power, adopt new technology to increase energy efficiency, and join or create a statewide cap-and-trade system to effectively tax the excess carbon emissions.

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