Fogged up, “unclear” windows are not just an inconvenience, they present a “clear” driving danger. When the air temperature inside a vehicle is warmer than the temperature outside, the water molecules inside the cabin can go through a process of
Why Do Windshields Fog Up (and How to Clear Them)?
Car windows fog up when the temperatures inside and outside the car are very different. In other words, in the summer it happens when a windshield, cooled by cabin A/C, meets hot outside air. In the winter, by contrast, it