By Sig Gronich 

Editor’s Note: This is another in a series of occasional columns intended as a forum for readers. Contributions are welcome. The editor reserves the right to reject suggestions and edit material to fit our format without, of course, changing the author’s basic views.

 I have been intimately involved in the renewable energy sector since my days as an engineer at McDonnell Douglas in 1972 and ultimately at the Department of Energy from 1975 to 2007.  I remember running into my boss’s office after reading A. F. Hildebrandt and L. L. Vant-Hull’s article on the solar power tower, ... Log in to view full article.