[Obama_Is_Sabotaging_America]

Canada has relationships to maintain by exporting their oil to foreign countries. Probably less than 10% would go to U.S. consumption, but when you factor in U.S. oil ALSO being pumped through the pipeline, no one seems to know the exact % of oil from Canada which stays in U.S. How’s THAT for a murky answer?

[Praxeologue]

Probably less than 10% would go to U.S. consumption, but when you factor in U.S. oil ALSO being pumped through the pipeline, no one seems to know the exact % of oil from Canada which stays in U.S.

How much of refined U.S. refinery production is exported? Thackney would be able to tell us. I would guess that the same proportion of refined Keystone product might be exported, likely 5%, not the 90% that you are speculating.