A car is a vehicle or a locomotive generally used for transportation of people(and other living things viz. animals, plants, etc.) or things(non living things such as tables, computers, grains, cement, etc.).
If you are seeking for an answer to the question 'How do you drive a car?', you would find it if you type this particular question in the search box of www.answers.com
It is useful to cars because it helps them move for one place to another
Cars tomove
Toy cars are so useful because they can keep children occupyed (they are good fun) and also they can be collected and can be sold for even more.
Cars are useful as they take us from our homes to our jobs, to the store, to events we attend. In western society the car has become a necessity.
you can get to places faster
harmful
chemical potential energy
sdfasgjkashfklg
Transportation of passengers and cargo.
Many things are not necessary. Some of them, like fast cars, serve useful purposes.
They are ,they just cost a fortune
Car companies are most useful for designing and manufacturing cars. Most car companies spend a great amount of time and money trying to develop cars that are more environmentally friendly.