Again the French are way ahead of America in terms of social sensibilities. Large cars are killing us and the Earth. This is a great example of using taxation policy for environmental social goods.

Guardian Unlimited | Special reports | France launches radical green tax on bigger cars

French drivers who favour large, gas-guzzling cars will have to pay up to %u20AC3,500 (£2,300) more for a new model from next January under a radical green road tax scheme unveiled by the environment ministry.