We'd also ask that you use a park-and-ride when visiting as to not cause undue congestion and noise, otherwise we'll charge a hefty congestion fee. Besides, do you really want to pay $100 just to park for the day?
Fuel taxes will need to tripple to fairly account for CO2 emissions and cover the cost of roads (we don't want to have to subsidize your car usage afterall).
But otherwise, it does seem fair that for those who can afford it, are willing to live within their carbon budget, and are willing to pay their share of taxes, should have the choice to live in a detached home.
Do install a native garden though, grass is horribly water inefficient.