May I suggest Alcohol. Can be burned indoors with very little ventilation, then look into getting a alcohol stove, very easy to operate and will serve the purposes for which you outlined. may I recommend this site. http://zenstoves.net/. there are a couple of commercial manufactures of alcohol stove on the market, Tania and Virgo coming to mind.
http://www.trangia.se/english/
http://www.vargooutdoors.com/index.html
The fuel can be bought at Home depot,service Stations,paint stores and Wal-Mart to name a few.
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Some people try to turn back their odometers.
Not me, I want people to know "why" I look this way
I've traveled a long way and some of the roads weren't paved