They will use anything to stop this.
Check it out:

The Canadian pipeline company trying to get a permit to build the Keystone XL oil pipeline has said one-quarter of the pipeline would be reserved for oil from the Bakken oil fields of North Dakota and Montana, but in other documents has indicated only 8 percent of the pipeline would be Bakken oil.

On its website and in comments to the U.S. State Department, TransCanada says it has firm, long-term contracts to transport 65,000 barrels of crude oil per day of the maximum 100,000 bpd set aside to pick up Bakken crude oil from what they call the Bakken Marketlink — where Keystone XL would pick up oil in Baker, Mont.