Worse, can an aftermarket windshield coating like Rain-X actually damage your car's windshield? Consumables like washer fluid, fuel, and oil are all part and parcel of your car's designed operation.

But while it's a useful feature in the right conditions, some warn against using it in certain weather situations, like rain. But is that ... speed could cause your car to hydroplane.

Below is a picture Adam Parker sent to us of his car covered in this dusty, smoky rain. Adam Parker. - Raleigh sent this picture to WRAL on ReportIt I took a piece of data (called the Hysplit ...