Imposing a mass transit tax on motor fuel in specified jurisdictions; establishing the rate of the mass transit tax as 2.1% of the sales price charged by a distributor for motor fuel sold to a retail service station dealer; requiring the mass transit tax to be imposed at a specified time and collected and paid in a specified manner; requiring a distributor to file a mass transit tax return; allowing a distributor to deduct a specified amount of the mass transit tax due to reimburse the distributor for expenses; etc.