The UK is doing this too, in multiple ways. Vehicle excise duty for vehicles 2001 onwards is based on CO₂ emissions. Fuel duty too. And on top of that you have the low emission zones and London and two more cities next year, where you can still drive, but have to pay a (steep) fee if your vehicle isn’t to up to the right standards.
Setting a date well in advance is also helpful for production planning, it gives the market some certainty in developing their products for the cutoff, and this has to be done early to be useful.
Setting a date well in advance is also helpful for production planning, it gives the market some certainty in developing their products for the cutoff, and this has to be done early to be useful.