Economics

Obama’s Keystone Options Shrink as State Downplays Impact

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President Barack Obama is in no hurry to decide whether construction of TransCanada Corp.’s $5.4 billion Keystone XL pipeline serves U.S. national interests, the next step in measuring its worthiness.

Even so, an environmental report released yesterday by the U.S. State Department finding limited impact on climate-changing carbon emissions from the project is diminishing the rationale the president could use to reject it.