Somewhat off topic but have you seen one of those BioLite stoves?
Seen them on line. Seem to have a niche of their own, but as I have battery recharging capable equipment and mutilpe options for cooking already I haven’t looked into them more than looking them over on line.
Played with a BioLite stove last weekend. Takes almost NO fuel, doesn’t smoke and can boil a pot of water in less than 2 minutes.