Cold Fusion.
1 MW E-Cat Cold Fusion Device Test Successful
http://www.freerepublic.com/focus/f-news/2799528/posts
Rossi’s E-Cat uses nickel. The best source of nickel is asteroids and the moon.
I can’t think of a better way to kick-start the world’s economy than to start the Third Industrial Revolution - mining and manufacturing in space.
We have the technological know how and lots of rich people who can live in only so many mansions - why not spend their money on an expansion into space?
Surely, you jest.