Cold fusion lives ... obviously not ready for prime time, but no dilithium crystals needed either. If we can survive this decade, we may be energy independent yet.
Nice as that is, I've begun to theorize that solving any such problem creates many more to fight about. People will always demand more and better stuff at the cost of freedom, taxes, and civility.
Therefore, the problem is not energy- but those who are never happy in life and constantly complaining about things...