Teslas, despite their hype, are not some kind of revolutionary car. They use the same technology as every other car, though they improve things where they can,

Teslas, despite their hype, are not some kind of revolutionary car. They use the same technology as every other car, though they improve things where they can, such as their motor efficiency. Standard car parts still need to be powered by low voltage, and it wouldn't make sense to make everything proprietary just for the tesla.