Leaded gas used in general aviation is not jet fuel. Slightly higher octane than "car" fuel, but definitely not jet fuel which is basically kerosene. I could be

Leaded gas used in general aviation is not jet fuel. Slightly higher octane than "car" fuel, but definitely not jet fuel which is basically kerosene. I could be wrong, but I don't think you could smell the difference between leaded and non-leaded fuel in exhaust.