In reply to Jed Rothwell's message of Wed, 19 Oct 2011 14:47:32 -0400: Hi, [snip] >As I said, efficiency does not matter, but longevity and the lifetime cost >of the equipment does matter. See chapter 14 of my book.
Efficiency does matter for two reasons. 1) Nickel availability. 2) Global warming. Regards, Robin van Spaandonk http://rvanspaa.freehostia.com/project.html
