well water in cars is used as a coolent cause its cheap efficent and found every where
it is used as a coolant
Water alone is not used as coolant for automobiles.
no
to seal water out of the inside, it is used on doors and the trunk.
typically, filters are used to clean air in both , however, in cars their also used to clean oil, and homes their used to clean water.
There is no such thing as a water fueled car. Even steam cars used some form of fuel to create the steam. You can extract Hydrogen from water to power a car but as of this time 2015 there are no cars being produced that use water as a fuel.
Water is not used in most modern cars, or at least is not recommended. If it is used, it is because it is cheap and easy to find and will do the job .
earth water wind & fire
good, cheap, efficient and available almost anywhere
Eethylene Glycol
The concept of water-powered cars is generally considered a hoax by the scientific community. While water can be used as a source of hydrogen for fuel cells, the process is not efficient enough to power a car solely on water. Claims of water-powered cars are often misleading or fraudulent.
There are at least 100,000 gallons of water involved in the manufacturing processes of a typical car.