Keep your exhaust fumes to the tailpipe end of the car and away from any food you plan on eating. Although they’ll probably only be harmful to your health if you eat food cooked this way regularly, they’ll taste absolutely disgusting. Why would you want that? Think about the principles of smoked meats, like pork shoulders, chicken, or salmon. The process of smoking food is simple: you’re imparting flavor to your food via the smoke of specially seasoned wood chips as they burn. Burning oil is a huge departure from burning applewood.