You might have noticed some car owners using cat litter to dry out cars during winter or during very humid weather. You might be wondering how cat litter helps in dealing with the foggy weather. For those who don't know, cat litter actually works as a super absorbent of moisture from the air. You can use silica cat litter and tuck it inside a piece of clothing and put it inside the car dashboard (preferably) overnight so that it can absorb moisture inside the car quickly. And when you go out, your car inside would be free from excessive moisture content that will eventually lower the chances of car windows getting foggy.