of course there are but you could try making your own, its not as difficult as you would think and then you would be positive there are no peanut products in it.
My guess is because the peanut is altered and the allergy is less noticeable when it is in peanut butter or peanut oil. I do however believe you are still having an allergic reaction to the peanut...
i would have thought i would be incredibly potent to sufferers whether driving the car or being near to it (added answer) i wouldn't think it would unless you drink it or get it on you.