If you take a narrow view of national interests, then neither will. If you ask which one is the most likely to act, I'd still say France, today. In the long run, we're all dead. John Maynard Keynes
France isn't even a full member of NATO. This does create a certain image when it comes to solidarity.
Of course Sweden is even worse, but we don't claim to protect anyone else with our non-existant nuclear weapons. Peak oil is not an energy crisis. It is a liquid fuel crisis.