The tax would be an incentive to give it a good think about what you actually need to be driving. Need and want are not the same thing. We for example need to

The tax would be an incentive to give it a good think about what you actually need to be driving. Need and want are not the same thing. We for example need to breathe clean air. You seem to want to drive a big vehicle. If you need to drive a big vehicle then ok, just pay to offset for the added pollution.