Do you understand that part?  Taxes can't be designated to a particular purpose (which is why most of our tobacco tax doesn't go towards tobacco-related prevention activities).  So this new tax can help pay for our legislator's private cafe in Juneau.

Have you been to Minnesota?  They have outlawed studs for several years, and guess what?  They still have seriously rutted roads.  Studs may contribute to rutted roads, but it is certainly not the only (or most serious) reason for road decay.