; and (2) for commercial motor vehicles, a per-mile road usage charge equivalent to the annual diesel tax revenues collected pursuant to section 4041 of the Internal Revenue Code of 1986 divided by the total vehicle miles traveled by medium and heavy-duty trucks. (h) Revenue collection (1) In general The Secretary of the Treasury, in coordination with the Secretary of Transportation, shall establish a mechanism to collect a per-mile road usage charge from volunteer participants under the program that— (A) may be adjusted as needed to address technical challenges