This successful legislative campaign in the Maryland state legislature resulted in the enactment of a transportation gasoline/sales tax package that has been projected to generate $830 million per year for road and public transportation improvements.  This law raised taxes on gasoline in stages over a four-year period – with a roughly four-cents-per-gallon increase on July 1, 2013.  More specifically, the law established a new three percent sales tax on wholesale gas, which will be introduced over a three-year period.  This law also automatically adjusted the flat tax on gas to account for changes in inflation.