http://www.centricauto.com/2014/04/10/why-does-my-car-smell-centric-auto-repair/
Why Does my car smell? – Centric Auto Repair | Centric Auto Repair
In the course of their normal operation, automobile air conditioners remove moisture from the air. This moisture can combine with airborne debris and settle in the system leading to growth of mold spores and fungi. This, in turn, leads to an odor in the air blown into the vehicle. Even worse, th…