but in the UK people pay 63 pence tax on a 95 pence litre of gasoline, and still miles travelled increase annually without let up. What's more, despite slapping a daily eight pound charge on inner London road users, the impact on inner London road use is minimal.
The truth is that for those for whom motoring is a necessity, the cost is a secondary consideration unless it becomes wholly prohibitive. Increased taxes or charges just get factored in, and once normalised forgotten.