> Tax the petrol itself. That works reasonably well in most of the world. No need for complicated individual audits etc.
True — but see my #3 above (political problems), and then add 3.1: Special-interest groups, which donate heavily to politicians' campaigns, always lobby for tax breaks of various kinds, e.g., tax deductions (at the federal level) for state- and local sales- and property taxes.
True — but see my #3 above (political problems), and then add 3.1: Special-interest groups, which donate heavily to politicians' campaigns, always lobby for tax breaks of various kinds, e.g., tax deductions (at the federal level) for state- and local sales- and property taxes.