> This is why its so important to be super careful with how you write regulation - because even if the intent was good, it's so hard to both anticipate unintended second- and third-order effects, and it's so difficult to update after you've pushed to production.
It seems that the goal is to pressure automakers to improve the efficiency across their entire line instead of simply banning low-efficiency models altogether.
If an automaker discontinues a low-efficient model in order to have access to a market, isn't this an example of regulation working well?
Did you read the parent comment?
> so the little Jimny is emitting 146g/km but somehow there is no problem to buy a G-Class that is emitting 358g/km
This is an example of a manufacturer discontinuing a more efficient vehicle while continuing to sell a larger vehicle that is significantly less efficient.
That's the opposite of what you want. So, no, this is not an example of regulation working well.