Relating to motor vehicle charges; prescribing an effective date; providing for revenue raising that requires approval by a three-fifths majority.

Imposes mandatory per-mile road usage charge for registered owners and lessees of passenger vehicles of model year 2028 or later that have rating of 30 miles per gallon or greater, beginning July 1, 2027, and then of passenger vehicles of model year 2036 or later that have rating of 20 miles per gallon or greater, beginning July 1, 2035. Repeals voluntary per-mile road usage charge on July 1, 2030. Allows annual fee in lieu of mandatory per-mile road usage charge. Provides that vehicles otherwise exempted from certain state registration fees remain liable for registration fees imposed by district or county. Requires Department of Transportation to submit three biennial reports to Road User Fee Task Force about development and implementation of mandatory per-mile road usage charge, presenting findings of studies to consider certain technical issues and policy goals. Requires department to seek federal funding to better understand interaction of per-mile road usage charges and impact on environment of motor vehicle usage. Takes effect on 91st day following adjournment sine die.