Updated April 29, 2026 - EIA Weekly Survey
Diesel Cost per Gallon in Pennsylvania (2026)
$5.75/GAL
+0.16 vs US average ($5.59)Rank #45 of 50 statesPADD 1
Diesel Tax Breakdown
Federal diesel excise tax24.4c/gal
Pennsylvania state diesel tax74.1c/gal
Total tax98.5c/gal
Tax as % of price1713%
Sources: Federation of Tax Administrators, EIA. Rates as of April 2026.
Nearby States Comparison
Why Diesel Costs $5.75/Gal in Pennsylvania
Pennsylvania has the highest state diesel tax in the lower 48 at approximately 74.1 cents per gallon (combining the state oil franchise fee, state excise, and county/local rates). This is the primary reason PA diesel costs $5.75/gal vs $5.59 nationally. Pennsylvania is strategically important to I-76 (Pennsylvania Turnpike) and I-78/I-81 freight flows - the Northeast Corridor's primary truck corridor. Pilot Flying J operates its largest concentration of highway truck stops anywhere in the US along the PA Turnpike.
CALCULATE YOUR FUEL COST IN PENNSYLVANIA
Use our trip calculator prefilled at $5.75/gal for Pennsylvania.
Sources: EIA Weekly On-Highway Diesel Fuel Survey, AAA Gas Prices (gasprices.aaa.com), Federation of Tax Administrators diesel tax table. Updated April 29, 2026. State prices are representative averages; actual pump prices vary by retailer and location.