Well..old cars they were made out of metal
Humorous answer crude oil, old cars, mummies, science teachers and Justin Bieber.
Because it can be used to make new cars
you do not use materials while inventing. you use materials while buiding
Different car manufacturers use different materials
Materials used to make cars include Aluminum, steel, fiberglass, and plastic. Each material is used for making specific parts due to their unique properties.
Some of the raw materials used for cars are: aluminum, steel (body parts), titanium (some exhaust systems) and platinum (inside catalytic converters).
The same materials used in large cars. Steel, aluminum, plastic, glass, copper, bronze, iron, zinc, lead, leather, nylon, polyester, vinyl, rubber, and other man made materials.
copper
Yes, there are notable collections of old cars in Virginia. You can see a list of them at autos.yahoo.com/used-cars/virginia.html
There are different types of cars. Some are efficient and some are not. Yes, cars can be a little more efficient if different materials are used. But cars are are made keeping in mind the needs of customers, budget i.e. the money they can afford, and the availability of materials.
carpet and vynal flooring
Some cars rust faster than others. It depends on the technology used in the making of the cars. There are old cars who rust very slowly and new cars who rust very quickly.