1. It just seems to be rip off of the traditional Thai stove designs, not anything ‘new’.
https://duckduckgo.com/?q=thai+stove&t=brave&iax=images&ia=images
2. It still burns charcoal, just more efficiently than current Kenyan stoves; similar to the difference between a campfire and a rocket stove.
3. Couldn’t find any detailed photos or plans for them; that might be telling.
The only video that I found that briefly gave a good look at one in action, coupled with the user’s comment comparing the cost of charcoal between her new & old stoves let the cats out of the bags: the only “innovation” is introducing them to Kenya....but she is a POC female, so... .l
TAO CHARCOAL BURNER - MADE IN THAILAND
https://importfood.com/index.php?option=com_zoo&task=item&item_id=3173&Itemid=195
Compare and contrast