Question

a few years ago north america car makers used steel ( mostly iron ) to construct the frame , motor, and transmission case their cars. today aluminum is used for much of the same parts. explain why.

Answer 1

this isn't maths

Answer 2

$$$

Answer 3

yah right jhny

Answer 4

aluminum is cheap and weighs wayyyyyyy less so you get better fuel economy

Answer 5

aluminum is cheaper found in the environment light weight and easier to shape also does not rust but instead goes through a similar process that produces a clear coat of oxide that is stronger than the actual metal this is corundum witch is one of the known hardest substances.