Per-mile taxes `` with a combination of tolls is coming as we move away from the fuel tax . '' Experts : Per - mile road tax will reduce or supplement fuel tax . Citizens : Do n't curtail citizens ' love for the open road . Per - mile GPS tracking will raise privacy fears .
Experts : Per - mile road tax will reduce or supplement fuel tax . Citizens : Do n't curtail citizens ' love for the open road . Per - mile GPS tracking will raise privacy fears .