Pretty cool concept. Ill have one of these in the FJ in a go bag that Ill take with me on day trips and hikes. It will be more for emergency fires needed than anything.
http://www.realfarmacy.com/how-to-turn-a-beer-can-into-camping-stove/
http://www.realfarmacy.com/how-to-turn-a-beer-can-into-camping-stove/