You might have received some tax credits for purchased a certain kind of hybrid vehicle, depending on the year, etc.
Let’s ignore that benefit.
Now you are driving pretty much gas free. Gas free or practically gas free also means many states are noticing a significant drop in tax revenues from the pump.
Thus, electric cars pay no fuel taxes but they still use public roads. Look for lawmakers to justify new taxes such that the electric car drivers will pay ‘their fair share’!