After voters rejected Motor Fuels Tax (MFT) increases in 2014 and 2018, Missouri lawmakers in 2021 agreed to raise the state’s 17-cents per gallon gas levy—the nation’s second-lowest—by 2.5 cents a year until it reached 29.5-cents a gallon in 2025.
The first of those five annual 2.5 cents per gallon tax hikes went into effect on Oct. 1.