I dimly recall reading something about Nissan looking at the same idea and I’d guess most car manufacturers will be doing the same. Understanding the implications of widespread EV adoption are still at an early stage. There is no doubt that Governments will have to replace the lost fossil-fuel tax somehow, but loading it onto domestic electricity accounts will only be a greater encouragement for consumers to look at non grid options. That was something that couldn’t be done with oil based fuels.