Well, I have never met "a new energy source" either. Does this mean I
can now dismiss all possibilities and go out into the world preaching
that all sources of energy have now been discovered and we are doomed?

Funny, where I come from, logic just doesn't work like that ...

Regards,
JS
Half-a-Brain-McCain'n Insane; So Lawdy Mama, It Looks Like Obama!

At least you are able to wrestle with your own logic.