[Stoves] Rotary project question

[Paul Arveson]

I received this from a friend and would appreciate your comments:

"I received the email below from a Rotary member in Ithaca New York.  
She has put together an $11,620 project (attached) to pay for Vron 
Engineering of Kampala, Uganda, to build four fuel-efficient stoves at 
schools in Gulu, Uganda, enhanced with a PV-powered fan to regulate the 
cooking temperature.  Vron Engineering claims their unit reduces 
firewood or charcoal use by 80%. 
https://www.youtube.com/watch?v=4SyWCc-EGis. The Rotary presentation is 
very professional, but my unscientific mind is skeptical.  I know that 
clean cookstoves reduce firewood use, but it seems doubtful that adding 
a PV panel, battery and fan would further reduce fuel use.  And without 
the PV panel, it seems excessive to spend $11,000 to demonstrate that 
clean cookstoves (with stovepipes) actually save fuel—something everyone 
already knows.  Your thoughts?"

Paul Arveson
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