In designing a replacement for fuel duty and vehicle excise duty, the Government must examine how an alternative road pricing mechanism can use price as a lever for change while subjecting motorists to fair levels of taxation. To that end, it may seek to make concessions in the interests of societal fairness, such as providing an annual allowance of free travel miles or gearing the system to support vulnerable groups, such as those with mobility issues, and people who reside in the most remote areas.