<div dir="ltr">Crispin: <br><br>I am not assuming anything, just asking to question the sanity of GIZ experts. Maybe they'll pass, and might even pass me on the same or different test. <br><br>If "<span style="color:rgb(31,73,125);font-family:Calibri,"Slate Pro",sans-serif,sans-serif;font-size:medium">For them, if they had a chance anywhere that was the ideal place, and it was not viable. ", </span>there is a prima facie case for insanity. I love GIZ experts; I am sure they will gladly plead the insanity defense. <br><div><br></div><div>My rebuttable presumption is only that if they had talked to the customers - um, "beneficiaries" - and put five in the field, the problems with wind and storage would have been identified pretty quickly. Rural northwest South Africa as "the ideal place" doesn't pass smell or laugh test. <br><br>Other errors -- in their zeal to help the poorest while also saving wood (stored CO2), they go to a remote rural area where there aluminum was so valuable there was an active market for scrap. <br><br>After spending 7 m Euros, GIZ should spend 70,000 Euros to start a discussion on how NOT to do things. A "multi-year attempt to find out" if there is a long-term reason to just give up on a solution because of gross expert errors and ignorance. <br><br>"Findings of the study"?? You know how many seconds it would take plain common sense to demolish such "studies". <br><br>Our key handicap is that studies are done not by students but by pundits who already presume to know everything. <br><br>Or cook up numbers on the fly. </div><div><br></div><div>I too have done that, of course. My newest estimate - the 4 billion people who have been cooking with solid fuels in the last 30 years (a billion of them died during the period) increased their annual household cash incomes by an average of $500 a year (current $, 2016 over 1986, roughly 1.2% per capita per year, allowing for decline in household size). That is an increment of $1.5 trillion a year. Over the years, their investment in homes and durable household goods probably grew by $1 trillion (current $; this is an estimate of current value of the stock, not current flow rate). How much of this $1 trillion go to "improved wood stoves"? Probably 0.1 % - counting Ethiopian Mirte? <br><br>Nikhil<br><br><br></div><div class="gmail_extra"><br clear="all"><div><div class="gmail-m_6823732391298886932gmail_signature"><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div><font face="georgia, serif">------------------------------<wbr>------------------------------<wbr>------------<br>Nikhil Desai</font></div><div><span style="font-family:georgia,serif;font-size:small">(US <a href="tel:(202)%20568-5831" value="+12025685831" target="_blank">+1) 202 568 5831</a></span><font face="georgia, serif"><br><i>Skype: nikhildesai888</i><br></font><br></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div>
<br><div class="gmail_quote">On Tue, Jun 13, 2017 at 9:01 PM, Crispin Pemberton-Pigott <span dir="ltr"><<a href="mailto:crispinpigott@outlook.com" target="_blank">crispinpigott@outlook.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">
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Nikhil</div>
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<span style="font-size:initial;text-align:initial;line-height:initial">Let's not assume anything. These were the findings of the study which was a multi-year attempt to find out if there was any long term reason to get involved in the promotion of solar
cookers. </span></div>
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<span style="font-size:initial;text-align:initial;line-height:initial">The conclusion was, no. And they swore them off. For them, if they had a chance anywhere that was the ideal place, and it was not viable. </span></div>
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<span style="font-size:initial;text-align:initial;line-height:initial">Very sane. </span></div><span class="gmail-m_6823732391298886932HOEnZb"><font color="#888888">
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<span style="font-size:initial;text-align:initial;line-height:initial">Crispin </span>
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<div>Crispin;</div>
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<div>You have listed enough reasons to dispute the sanity of GIZ experts. </div>
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<div>Nikhil<br>
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On Jun 13, 2017, at 11:35 AM, Crispin Pemberton-Pigott <<a href="mailto:crispinpigott@outlook.com" target="_blank">crispinpigott@outlook.com</a>> wrote:<br>
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<p class="gmail-m_6823732391298886932m_9184950326115403046MsoNoSpacing"><span>Solar concentrating cooker:</span></p>
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<p class="gmail-m_6823732391298886932m_9184950326115403046MsoNoSpacing"><span>One of the main problems encountered with solar cookers (K14, K16 and so on) in the last big GIZ effort in North-West Province of South Africa was, in spite of the rural location, theft of the stoves for sale to scrap
merchants. Aluminum is valuable. </span></p>
<p class="gmail-m_6823732391298886932m_9184950326115403046MsoNoSpacing"> </p>
<p class="gmail-m_6823732391298886932m_9184950326115403046MsoNoSpacing">Another common problem is wind tipping them over.</p>
<p class="gmail-m_6823732391298886932m_9184950326115403046MsoNoSpacing">A third is wind-blown dust getting into the food.</p>
<p class="gmail-m_6823732391298886932m_9184950326115403046MsoNoSpacing">A fourth is theft of the food.</p>
<p class="gmail-m_6823732391298886932m_9184950326115403046MsoNoSpacing">A fifth is storage of the unit. </p>
<p class="gmail-m_6823732391298886932m_9184950326115403046MsoNoSpacing"> </p>
<p class="gmail-m_6823732391298886932m_9184950326115403046MsoNoSpacing">People have little space in their homes and storage of a valuable cooker outdoors is not practical.</p>
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<p class="gmail-m_6823732391298886932m_9184950326115403046MsoNoSpacing">GIZ spent about 7m Euros on that project and declared no further interest in solar cookers.</p>
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<p class="gmail-m_6823732391298886932m_9184950326115403046MsoNoSpacing">Crispin</p>
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