Expenditures on petroleum products decreased 29.4 percent to $4,636.2 million ($4.6 billion) in 2015 from expenditures of $6,563.7 million ($6.6 billion) in 2014.
Motor gasoline expenditures and distillate fuel (diesel fuel and heating oil) expenditures comprised nearly all (90 percent) of the money spent on petroleum products in 2015. Propane expenditures were 3.8 percent, lubricants expenditures were 3.0 percent, jet fuel expenditures were 1.7 percent, and asphalt and road oil expenditures were 1.6 percent of the total. Expenditures on each of the other fuels were less than 1 percent of the total.
The expenditures are in nominal dollars to provide a better comparison.