It's light and strong.
Because it is cheap and lightweight.
Steel.
No list available, but almost all cars can have either type
Cars made from aluminium use less fuel than cars made from steel because aluminium has a low density this makes the car to be lightweight. Whereas with steel, it has a high density so it makes the car to be very heavy. So if steel was used over the same journey more fuel would have to be used and therefore less fuel would be used if you used the metal aluminium.
It's a wheel
Most cars have very little aluminum so your question has no relevance.
Aluminium has a low density and is not corroded.
Aluminium is more expensive than Steel
oil, gas, cars(think), wood, aluminium, fish
what's the use of aluminium
what's the use of aluminium
in standard production cars its plain old steel.However,in specialist cars, racing cars, expensive sports cars etc weight reduction is more important than cost. Here you may see kevlar, aluminium,and a number of high strength low weight alloys in use.