New Minecart Types and Functionality

I was thinking that they should more minecart variants for aesthetic and functionality. From wood all the way to netherite. Wood being the slowest. Gold faster than dirt but slower than the rest. Iron/Copper are the same speed, but copper as it oxidizes looses speed, and when fully oxidized it won't move. Diamond being faster than all those but slower than netherite. Netherite is the fastest. They can all get a cool pattern for the minecarts, but they'd definitely look better than my patterns i drew. Or they can probably get trims. Not only are they cool for aesthetic and transportation but they can work good with redstone creations cause they have different speeds.