Earlier quoted context omitted.
Why should they? What sort of emissions do electric vehicles have? I suspect you'll say that generating electricity causes emissions, which is only true in some cases
One of the bigger arguments is also in the production itself can be not very eco-friendly, eg: creating the batteries themselves.
It should be mandated that if you want to appeal to green-fingered consumers with your marketing, you have to state the emissions deficit from which your product operates and how many years it would take to recover from it with typical usage.