The study by Harris Poll surveyed to 907 registered voters by telephone, asking their thoughts about the controversial pipeline.

Sixty-seven percent of respondents said the pipeline's delay hurt energy security, while 88 percent support building the project.

"Delaying the pipeline continues to be a missed opportunity for the thousands of hard-working men and women in the labor industry," said Cindy Schild, API downstream operations senior manager, refining and oil sands.

Other findings in the poll:

• 83 percent believe a president should not have the sole power to decide national energy infrastructure projects.

• 79 percent believe U.S. foreign policy should support Canadian oil at least as much as Iranian oil.

• 78 percent believe building Keystone XL would help create jobs in the U.S. and keep energy dollars here in North America. http://bit.ly/1ODck3g

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