orth Dakota regulators granted a route permit Wednesday for what will be the largest crude oil pipeline out of the state's fruitful Bakken oil field, leaving Iowa as the only state left to approve the $3.8 billion Dakota Access Pipeline. Public Service Commission members Julie Fedorchak and Brian Kalk voted to grant the permit for Dakota Access LLC, a subsidiary of Dallas-based Energy Transfer Partners, which plans initially to ship up to 450,000 barrels of oil per day on the 1,168-mile pipeline from the Bakken and Three Forks regions in western North Dakota. "This is a massive infrastructure construction project,...