As we have seen, the heavier vehicles do disproportionately more damage than a lighter vehicle. If you road repair, tax by a formula of weight and mileage if you must.
Having a driver if a hummer pay the same taxes based upon miles driven versus a a VW bug really doesn’t make sense when we know the stress put in the road by the hummer is substantially more.
Lastly, for LA, having a disincentive to have an emissions free car while driving just gets the air quality even worse.