It can sometimes be confusing to figure out which fuels are safe for use indoors. There's nothing like the ambiance of dining by an oil candle, but toxic fumes can put a damper on your dinner.
Recently, I was asked how long our paraffin lamp oil will burn and found myself without a definitive answer. However, as I do enjoy being a know-it-all, I decided to go out to my "laboratory" and test for myself.