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</o:shapelayout></xml><![endif]--></head><body lang=EN-US link=blue vlink=purple><div class=WordSection1><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>From:</span></b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'> extropy-chat-bounces@lists.extropy.org [mailto:extropy-chat-bounces@lists.extropy.org] <b>On Behalf Of </b>John Clark<br><b>Sent:</b> Thursday, January 17, 2013 10:45 AM<br><b>To:</b> ExI chat list<br><b>Subject:</b> Re: [ExI] Wind, solar could provide 99.9% of ALL POWER by 2030<o:p></o:p></span></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>On Sat, Dec 15, 2012 at 4:56 AM, BillK <<a href="mailto:pharos@gmail.com" target="_blank">pharos@gmail.com</a>> wrote:<o:p></o:p></p><div><blockquote style='border:none;border-left:solid #CCCCCC 1.0pt;padding:0in 0in 0in 6.0pt;margin-left:4.8pt;margin-right:0in'><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>> Wind, solar could provide 99.9% of ALL POWER by 2030 Even better: It could do so at the same cost as fossil fuels<o:p></o:p></p></blockquote><div><p class=MsoNormal><br>In just 17 years? Hmm, let's see what it would take to run a 100 horsepower motor 24 hours a day, that's about what a small compact car would have. 100 hp is equal to 75000 watts and solar cells produce about 10 watts per square foot at peak solar around noon<span style='color:#1F497D'>…</span> John K Clark<span style='color:#1F497D'><o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>John 100 hp is a typical peak power rating for our Detroits, but a really important point here is that cars don’t use that kind of power continually. They use a lot of that when accelerating hard, but a typical power use for a typical Detroit is in the 25 to 30 hp range, but even that has some assumptions. If we accept cars that don’t accelerate as hard and don’t have the absurd top speeds that we so dearly love (hey, I am not pointing any fingers, I too love to tear around like my ass is on fire) then we don’t need such high power ratings. If we accept lower acceleration and lower top speeds, we can have far lighter cars, which aren’t safe at the higher speeds anyway. This encourages us to use our electronic transportation more.<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>That being said, the venerable V8, of which I own three and love them all, helps us in a way: these thirsty beasts give us something to give up should the need arise. It is analogous to the sincere believer with no vices, who must grudgingly take up some disgusting habit at the end of Lent, so that she will have something to give up next time Lent rolls around. We have our V8s. Maintaining those gives us plenty of room to reduce our energy consumption, plenty, while still being able to maintain what we really like the most.<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>spike<o:p></o:p></span></p><p class=MsoNormal><br> <o:p></o:p></p></div></div></div></body></html>