(1) laws and rules containing insurance requirements that are specifically applicable to motor carriers or commercial vehicles;
(2) laws imposing a higher standard of care on drivers or owners of motor carriers or commercial vehicles than that imposed on drivers or owners of other motor vehicles;
(3) laws and rules with equipment requirements and special accident reporting requirements that are specifically applicable to motor carriers or commercial vehicles; and
(4) laws imposing a tax on fuel purchased in other states by motor carriers or road user taxes on commercial buses.