Updated April 29, 2026 - EIA Weekly Survey
Diesel Cost per Gallon in Louisiana (2026)
$4.78/GAL
-0.81 vs US average ($5.59)Rank #2 of 50 statesPADD 3
Diesel Tax Breakdown
Federal diesel excise tax24.4c/gal
Louisiana state diesel tax20.0c/gal
Total tax44.4c/gal
Tax as % of price929%
Sources: Federation of Tax Administrators, EIA. Rates as of April 2026.
Nearby States Comparison
CALCULATE YOUR FUEL COST IN LOUISIANA
Use our trip calculator prefilled at $4.78/gal for Louisiana.
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.