d1d89ccd_Sources__and_Explanatory_Notes__Definition
[Key Terms] Vehicle Fuel Consumption [Definition] 
The quantity of fuel used by vehicles. Vehicle fuel consumption is computed as the vehicle miles traveled divided by the fuel efficiency reported in miles per gallon (MPG). Vehicle fuel consumption is derived from the actual vehicle fuel mileage collected and the assigned MPGs obtained from EPA certification files adjusted for on-road driving.
Table Definitions, Sources, and Explanatory Notes