hmm.. scratching chin.. If I had to guess I'd say with knowledge like yours you must not be mowing lawns for a living! lol. I don't know chemistry but I work on cars. I've seen the white smoke before.. usually it's just condensation in the exhaust on a cold start but when their bad you can also smell it.. smells different.lol

Videos of my Sportage in 30" of snow and doing reverse 4wd cookies
Panicmech Cardomain - Headlight 'tinting' tutorial included