MI SB0593

Reduces the per-cent increase in electric vehicle registration fees when gasoline taxes exceed 19 cents per gallon, lowering the rate from $5.00 to $1.88 per cent for fully electric vehicles and from $2.50 to $0.94 per cent for plug-in hybrid electric vehicles

Maintains base registration fee increases established in 2017: $100 for electric vehicles under 8,000 pounds ($200 over 8,000 pounds) and $30 for plug-in hybrids under 8,000 pounds ($100 over 8,000 pounds)

Creates new section 801d in the Michigan Vehicle Code to establish the revised fee calculation formula for electric and plug-in hybrid vehicles when gasoline tax rates increase

Makes minor technical changes including updating language from "as provided in" to "under" and "upon" to "on" throughout the existing registration tax provisions

Removes outdated transitional date references from 2019 regarding motorcycle registration fees while maintaining the current $25 fee and $5 allocation to the motorcycle safety fund