Free Resources

Energy Data & Operations Guides

Sourced, practical references for energy data users, developers, trucking professionals, and analysts.

How to Read an API Well Number

Decode API-10, API-12 and API-14 identifiers, use the correct historical state codes, and verify well records safely.

Step-by-step guide to calculating fuel surcharges using the industry-standard formula. Includes examples and carrier variations.

DOE/EIA diesel prices and how they're used in fuel surcharge calculations. Updated weekly with historical data.

Complete explainer on fuel surcharges: what they are, why they exist, and how they work in trucking and freight.

Essential knowledge for independent truckers. Learn to negotiate better rates, audit settlements, and avoid common traps.

Use latest-price freshness fields to distinguish current, delayed, and stale observations in your workflow.

Start with one latest-price request, confirm valid commodity codes, and route futures or historical workflows correctly.

Understand daily averages, raw observations, source fields, and when futures OHLC endpoints are the better fit.

Use as_of on supported raw history routes to request a stored view and roll back covered source revisions, subject to backfill limits.

Use our free calculator with DOE diesel prices and carrier presets.

Access DOE diesel prices programmatically for your applications, TMS integrations, or automated fuel surcharge systems.