Diesel fuel consumption for the month of October 2018 totaled 43,323,803 gallons, which was a less–than–one percent (0.13%) decrease from consumption in the same month in 2017, as shown in the data table below. October 2018's consumption was 5.9 percent higher than consumption during the previous month. In Figure 1, it can be seen that diesel fuel consumption in October is at the upper boundary of the five–year range, equivalent to last year's consumption for October, and far above the five–year average. Shown in Figure 2, consumption in the last two years has increased bringing consumption out of the plateau seen from 2010 to 2015.
An indicator to support high or low consumption of diesel fuel is reported in miles traveled. From month to month, the difference in miles traveled can be large. From year to year, the number of miles traveled indicate very little difference although there are small increases that add up when looking at the miles traveled ten years and twenty years ago. A drawback to the miles–traveled data is that the data for passenger cars, recreational vehicles, and diesel trucks are not separated.