Note that this is just the major ones.
There are 160,000 miles of pipeline crisscrossing the United States today. The Keystone pipeline is 1,700 miles from the one source of oil outside the US that is secure as our own oil. The Keystone will be built with 2011 technology and will carry oil not only from the Canada oil sands, but from the Bakken oil shale in North Dakota and Montana. The amount of oil flowing through the pipeline would represent 4.5% of our annual usage. Montana Governor is Brian Schweitzer (D