If your car's AC smells like rotten eggs, mildew, plastic, or gas, there could be a problem with the air conditioning system. This article will help you understand why your car AC smells and what causes these odors in the first place. AC Smells Like Rotten Eggs You've probably smelled it before. A rotten egg smell is a sign of a refrigerant leak. It can be caused by a … [Read more...]