Current on-highway diesel prices in Texas, updated weekly from the EIA. Texas sits in PADD 3 (Gulf Coast).ⓘ Texas does not have a dedicated EIA weekly series; we show the PADD 3 (Gulf Coast) regional price as the best available estimate.
As of 2026-04-13, Texas diesel on-highway prices are $5.310/gal. This is $0.298/gal below the U.S. average. Texas sits in PADD 3 (Gulf Coast), where carriers face consistent regional diesel basis. Carriers operating regionally or based in Texas should adjust fuel surcharge models to reflect PADD regional volatility, especially during seasonal refinery maintenance and peak demand cycles. Used-truck dealers in the region should price residuals against current operating cost expectations.
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Texas does not have a dedicated EIA weekly diesel series; we report the price for PADD 3 (Gulf Coast), which is the regional average that includes Texas. The EIA publishes the regional figure every Monday for the prior week.
State diesel prices are driven mostly by state fuel taxes, refinery proximity, transportation costs from refinery to terminal, and local environmental regulations (notably California's CARB diesel formulation). PADD region matters more than state line for most of the country.
Most carrier–shipper fuel surcharge contracts reference the EIA national or regional weekly average. To estimate your true cost, multiply the relevant weekly price by your gallons consumed; to bill a surcharge, use the contract formula (commonly: every $0.05/gal above a base price adds $0.01/mile).
The chart on this page shows the last 52 weeks. For longer-range history, the EIA's full weekly archive is at https://www.eia.gov/petroleum/gasdiesel/.
Most carrier–shipper contracts use a fuel surcharge tied to the EIA regional (PADD 3 (Gulf Coast)) price. Common formula: for each $0.05/gallon above a contractual base price (typically $1.50–$2.00), add $0.01 per loaded mile. Review your customer contracts to ensure your base price reflects current PADD 3 (Gulf Coast) conditions.