In Lamps. When using lamp oil inside a lamp, the oil lasts approximately as long as a similarly sized candle. Even a small lamp may last for three to four hours if you keep the flame size low. Liquid paraffin burns 1/2 ounce for every hour that the lamp burns.
Simply so, is lamp oil fumes toxic?
The most important thing to be concerned about is the odor, smoke, and fumes generated as the fuel burns. Lamp Oil generally refers to liquid paraffin. DON'T ever burn red kerosene in an indoor oil lamp, because the fumes from the red dye can be harmful.
Can you use vegetable oil in an oil lamp?
If you have an old fashioned oil lamp, the kind that doesn't use kerosene or petroleum-based lamp oil, then you're in luck! Vegetable oil works great as a fuel, is needed for cooking and frying, and also provides your body with essential fats and oils. Even used frying oil burns without odor and without smudging.
Can you burn olive oil in an oil lamp?
Burning olive oil will smolder and put itself out or at least give you time to put it out. My understanding is that it is because olive oil has low volatility due to its high flash point (it won't burn until it reaches 550°F), which is also why you need a much thicker wick than for a regular candle or kerosene lamp.