Generally speaking, electricity is the most expensive "automatic" heating energy source. This may be due to the fact that fossil fuels (oil, gas, wood, etc.) can be burned right where heat is needed...
Brother if you are asking it for burning, don't even think about it. Motor oil has lead, benzene, zinc, cadmium, and even arsenic and many other toxic chemicals which not only harm you and others...
go to orderoil.com. type in your zip and it will show you all the prices in your area and your can order right no the site how ever many gallons you want. or you could Check the yellow pages under...