The second and third key sources of funding are state monies. In FY2005 the Michigan Transportation Fund (MTF) received $1.977 billion dollars, primarily from state fuel taxes and registration fees. Figure 6 summarizes the funding by tax type. Gasoline taxes generated $922.4 million of the funding, or 46.7 percent of the total, with registration fees totaling $863.4 million, or 43.7 percent. Diesel taxes generated $146.3 million.