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Diesel Prices by State

Compare diesel fuel prices across all 50 US states

Updated weekly from official EIA data • Last update: 6/15/2026

US Gulf Coast Wholesale Reference

$3.27

per gallon (wholesale) • Retail at the pump typically $0.80–$1.50 higher — see your state below

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Lowest Diesel Tax

Alaska

State tax: $0.089/gal

Estimated US Retail Average

~$4.26/gal

Wholesale + taxes + retail margin

Highest Diesel Tax

Pennsylvania

State tax: $0.741/gal

Diesel Prices by State

Alabama

AL

State Tax: $0.270/gal

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Alaska

AK

State Tax: $0.089/gal

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Arizona

AZ

State Tax: $0.270/gal

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Arkansas

AR

State Tax: $0.245/gal

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California

CA

State Tax: $0.538/gal

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Colorado

CO

State Tax: $0.205/gal

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Connecticut

CT

State Tax: $0.495/gal

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Delaware

DE

State Tax: $0.220/gal

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Florida

FL

State Tax: $0.352/gal

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Georgia

GA

State Tax: $0.329/gal

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Hawaii

HI

State Tax: $0.160/gal

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Idaho

ID

State Tax: $0.320/gal

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Illinois

IL

State Tax: $0.543/gal

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Indiana

IN

State Tax: $0.540/gal

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Iowa

IA

State Tax: $0.330/gal

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Kansas

KS

State Tax: $0.270/gal

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Kentucky

KY

State Tax: $0.244/gal

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Louisiana

LA

State Tax: $0.200/gal

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Maine

ME

State Tax: $0.319/gal

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Maryland

MD

State Tax: $0.366/gal

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Massachusetts

MA

State Tax: $0.240/gal

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Michigan

MI

State Tax: $0.254/gal

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Minnesota

MN

State Tax: $0.286/gal

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Mississippi

MS

State Tax: $0.180/gal

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Missouri

MO

State Tax: $0.170/gal

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Montana

MT

State Tax: $0.308/gal

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Nebraska

NE

State Tax: $0.293/gal

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Nevada

NV

State Tax: $0.270/gal

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New Hampshire

NH

State Tax: $0.222/gal

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New Jersey

NJ

State Tax: $0.178/gal

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New Mexico

NM

State Tax: $0.210/gal

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New York

NY

State Tax: $0.442/gal

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North Carolina

NC

State Tax: $0.362/gal

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North Dakota

ND

State Tax: $0.230/gal

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Ohio

OH

State Tax: $0.470/gal

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Oklahoma

OK

State Tax: $0.200/gal

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Oregon

OR

State Tax: $0.360/gal

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Pennsylvania

PA

State Tax: $0.741/gal

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Rhode Island

RI

State Tax: $0.340/gal

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South Carolina

SC

State Tax: $0.270/gal

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South Dakota

SD

State Tax: $0.300/gal

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Tennessee

TN

State Tax: $0.270/gal

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Texas

TX

State Tax: $0.200/gal

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Utah

UT

State Tax: $0.315/gal

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Vermont

VT

State Tax: $0.300/gal

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Virginia

VA

State Tax: $0.265/gal

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Washington

WA

State Tax: $0.494/gal

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West Virginia

WV

State Tax: $0.355/gal

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Wisconsin

WI

State Tax: $0.329/gal

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Wyoming

WY

State Tax: $0.240/gal

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Who Uses Diesel Price Data?

🚛

Fleet Managers

Track diesel costs across your fleet's routes and optimize refueling strategies.

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💻

Developers

Integrate diesel price data into your applications via the API.

View API docs →
📊

Analysts

Export diesel price data to Excel or Google Sheets for analysis and forecasting.

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Frequently Asked Questions

What state has the lowest diesel tax?

As of December 2025, Alaska has the lowest state diesel tax at $0.089/gallon. However, actual retail diesel prices vary by location, market conditions, and federal taxes ($0.244/gal). Use our state pages to see current average prices for each state.

What state has the highest diesel tax?

Pennsylvania has the highest state diesel tax at $0.741/gallon. Combined with federal taxes and stricter fuel regulations requiring cleaner-burning formulas, this contributes to higher pump prices in Pennsylvania.

How often are diesel prices updated?

State averages update weekly every Monday from EIA (Energy Information Administration) data. Use the API response metadata (timestamps/source) to decide whether a value is suitable for automation or reporting.

Can I get diesel prices via API?

Yes. Our Diesel Price API can provide:

  • State averages (FREE tier, unlimited queries)
  • Station-level prices (availability varies by plan and source)
  • Historical data and trend analysis
View API documentation →

Need Diesel Prices in Your App?

Get diesel price data via API. Free for state averages; paid plans support station-level access where available.

View API DocumentationGet Free API Key