MS HB1583

Reduces gasoline excise tax from 18¢ to 15¢ per gallon until the date specified in Section 65-39-35, then to 12¢ per gallon thereafter.

Adds a variable 6% tax on the average wholesale price of gasoline (recalculated twice yearly on January 1 and July 1) in addition to the fixed per-gallon rate.

Reduces undyed diesel fuel excise tax from 18¢ to 15¢ per gallon until the specified date, then to 12.3¢ per gallon thereafter, plus a variable 6% tax on average wholesale diesel price.

Maintains existing exemptions and refund provisions for government entities, volunteer fire departments, agricultural use, and other qualifying purposes.

Takes effect July 1, 2015.