Our daily export of crude oil averages around 25,000 barrels a day to Canada. That is a very small, regional agreement that feeds one refinery. We import far more than that from Canada on a daily basis - about two million barrels.
Almost all of our "exported oil" is refined product, the largest item being fuel oil that is too high in sulfur to be burned in the United States.
We also support a couple of hundred thousand barrels of gasoline, diesel, and jet fuel every day. That's because there are many locations in the Third World that do not have refineries and have to import these products.
Even if we kept every petroleum product here in the United States, it would have no effect on gasoline pricing.
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