I thought it was kind of funny, months ago, someone claiming to be from the SEC called me at my house asking if I had ever had any business dealings with AW. I laughed and said, if you call losing a shatload of money in his stocks due to his fraudulent PR's.lol
Aw has a whole bag of tricks on this P&D and admittedly is his best yet.
The sterling engine has been around quite some time, but never really got much more than a nod. I am trying to get my nephew to finish an idea I started long ago that will change home energy as we know it. That being said, I think the key to our energy problem will come from small scale operations.