
In my never ending quest for sustainable whatever, this one just about takes the prize. The Trangia “spirit” burner, which is the little brass thingy in the middle, will burn anything from denatured alcohol to Everclear. In short the fuel is completely renewable, especially as long as the world is populated by drinkers of bourbon.

And then it just disappears! Yes, all that stuff is in that little package. It may not be the hottest stove out there, but they are inexpensive enough to buy a couple or three, and they are still made in Sweden. Confession time–I own five Swedish made outdoor stoves.
I actually met the chief designer for the Optimus stove company, back when it was still Swedish owned, in Salt Lake City, of all places, at an outdoor trade show (I was in the industry). The young man asked me what stoves I used, and I told him I had three Optimus, and two Trangia. He was most impressed by the two Trangia, and took off on a typically European rant about Americans all being gear heads.
Stove Designer: “Every boy and girl scout in Sweden uses Trangia stoves. Here you give kids gas stoves that can explode. It makes no sense whatsoever.”
Technically, he was probably correct. If you can light a match, this stove is perfectly safe. Just don’t drink too much of the fuel.