"Energy independence" is an illusory pipe-dream, and I'm not sure why anyone would aspire to something like that anyway. We rely on "foreign oil" from OPEC nations for the same reason we rely on Asia for electronics, on South America for bananas, and on Mexico for our landscapers and restaurant staff: because that's where these things usually are cheapest.
Except if oil is threatened, we go to war which isn't cheap.