The US Energy Information Administration's petroleum supply data series tracks refinery operations, crude oil inputs, and finished product output across the US refining system. This data is critical for understanding upstream supply conditions that determine diesel fuel availability and pricing for trucking fleets nationwide.
US refinery utilization rates fluctuate seasonally and in response to planned and unplanned maintenance events. When utilization falls due to outages, hurricanes, or equipment failures, regional fuel supply can tighten and wholesale prices rise. Gulf Coast refineries supply a large share of diesel consumed by commercial carriers in the Southeast, Midwest, and beyond.
Crude oil throughput and distillate production data allow analysts to project fuel supply conditions weeks in advance. Trucking companies and fuel logistics providers use this data to time bulk fuel purchases, negotiate hedging contracts, and identify supply risk in specific markets before disruptions reach the retail level.
The EIA also tracks petroleum product inventories at major storage hubs. Distillate fuel oil stocks serve as a buffer against short-term supply disruptions. Low inventory levels relative to seasonal norms can signal elevated risk of regional price spikes during high-demand periods or refinery disruption events.
Source: U.S. Energy Information Administration -- https://www.eia.gov/petroleum/supply/monthly/