Weight-based motor vehicle tax
What's interesting is that road wear is proportional to the FOURTH POWER (!!) of axle weight[1]. If it were taxed accordingly the taxes would be extremely different for personal cars versus 18-wheelers.<p>1: <a href="https://pavementinteractive.org/reference-desk/design/design-parameters/equivalent-single-axle-load/" rel="nofollow noreferrer">https://pavementinteractive.org/reference-desk/design/design...</a>