Everything old is new again. Or so it seems looking at these olive oil lamps from Lehmans. Founded by Jay Lehman in 1955 to serve the local Amish and others without electricity, Lehman's ships old-fashioned, high-quality merchandise all over the world. Their pitch is that olive oil is 99 pure renewable fuel, produces no smoke or odor and can't aggravate allergies or catch on fire if tipped over. They also sell a kit for making your own lamps and a book on lamp making.