The oil and gasoline, and the refineries all belong to the oil companies. We don't get to tell them what to do with their business. They export it because it's in their best interests to do so.
By "we", I'm assuming you're talking about the US gov't? If so, that's the funniest thing you've ever posted.
If not...nevermind.
Stella - my best girl ever. 11/04/1994 - 12/23/2010
Don't wanna get shot by the police? "Stop Resisting Arrest!"