Survivalist stuff
This is more the sort of thing suited to my husband's blog, but Tom Leue, who is on a biodiesel list I'm on offered this pic and some comments about the stove Bill and I use for most of our cooking now and I thought I'd post it. Here are his comments:

"I have been able to operate a brass stove from India called the Butterfly on both kerosene and biodiesel. This is a comparison picture of the two flames - The stove on the left is on kerosene, the one on the right is B-33 (1/3 biodiesel, 2/3 petrodiesel). My stove has to be cleaned at the orifice before every use. I also can't get it to restart until it has thoroughly cooled after the first use, which takes an hour or so."

My experience with the Butterfly is similar to Tom's, although we have tried a wide range of fuels and mixtures, including kerosene, kerosene/biodiesel mixes, (no petrodiesel yet), lamp oil, and even straight veggie oil (which did NOT work well at all). Our experience with B100 (striaght biodiesel) is that the orifice clogs DURING burning (which does not happen with lamp oil, B50 mixes, or kero) and basically the stove needs to be babied along while cooking, which is a pain in the butt (and stinks up the house when it goes out and needs to be relit).  ¶ 7:07 PM