Best Places To Find Cheap Diesel Fuel

where can i find the cheapest diesel fuel

Finding the cheapest diesel fuel can be challenging, especially with prices fluctuating and varying across regions. However, there are several ways to locate more affordable diesel fuel. In the US, Texas, Missouri, Oklahoma, South Carolina, and Arkansas are known for their low diesel prices due to factors such as proximity to oil refineries and favourable tax rates. Additionally, various tools and apps, such as OTR Solutions' Fuel Finder, PetrolPrices, GasBuddy, and myRAC, can help users find the lowest diesel prices in their area. These apps often provide filters and maps to help users make informed decisions and plan their refuelling stops effectively.

Characteristics and Values Table for Finding the Cheapest Diesel Fuel

Characteristics Values
States with cheap diesel Texas, Missouri, Oklahoma, South Carolina, Arkansas
Reasons for low prices in certain states Proximity to oil refineries, low state taxes
Tools to find cheap diesel OTR Fuel Card, OTR Mobile App, GasBuddy App, PetrolPrices.com, Petrol Map, myRAC app
Tips to save on fuel Plan refueling stops in cheap regions, use discount diesel programs, shop around, consider cashback

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US states with the cheapest diesel fuel

The cost of diesel fuel can vary significantly from state to state in the US, and these prices can fluctuate over time. As of 2025, the states with the lowest diesel prices are Texas, Louisiana, Oklahoma, Mississippi, Arkansas, Kansas, New Mexico, Georgia, Missouri, and Alabama. Texas, in particular, is known for offering some of the cheapest diesel in the country due to its proximity to oil refineries and low state taxes.

Oklahoma also offers some of the lowest diesel prices in the Midwest, and Missouri is another state where diesel tends to be affordable. Outside of these states, South Carolina often has cheap diesel fuel due to its low state taxes, and Arkansas is another southern state with competitive diesel prices.

On the other hand, some states are known for having consistently higher diesel prices. As of November 2022, the states with the highest average diesel fuel prices were California, Pennsylvania, Vermont, Connecticut, Hawaii, Rhode Island, Maine, New York, New Jersey, and Delaware.

To find the cheapest diesel fuel, truckers can use tools like the OTR Fuel Card and the OTR Mobile App, which help locate fuel stations with the lowest prices. Other apps, such as GasBuddy, PetrolPrices, and GasBack, can also help users find the best fuel prices in their area. Planning refuelling stops in regions with lower diesel prices can significantly reduce operational costs for truckers.

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Discount diesel programs

  • Fleet size and needs: Smaller fleets may benefit from programs with lower fees and simple features, while larger fleets may require advanced features like real-time tracking and reporting.
  • Pricing and fees: Compare monthly fees, transaction fees, and any other associated charges.
  • Additional benefits: Some programs offer maintenance discounts, roadside assistance, or rewards programs.
  • Network coverage: Ensure the program covers the areas where your drivers typically refuel.
  • Terms and conditions: Understand any restrictions or limitations on the discounts and rewards offered.
  • Pilot Fuel Discount Program: One of the most extensive offerings, with savings and perks available at over 750 Pilot and Flying J locations across the US and Canada. It also offers a mobile app for real-time fuel pricing and route planning.
  • TSD Open Roads Fuel Discount Program: Specifically designed for the trucking industry, offering discounts at thousands of fuel locations across North America. It features a transparent fee structure, detailed reporting, and a user-friendly mobile app.
  • OTR Fuel Card: Provides diesel fuel discounts at over 2,200 in-network stations nationwide, allowing truckers to save significantly on fuel costs.
  • GasBuddy: GasBuddy offers a fuel card and a mobile app that help users find the best fuel prices and access various discounts.

While these programs offer savings, it's important to be aware of potential overhyped claims and inflated prices at certain stations. Therefore, it's advisable to research and compare prices before choosing a discount diesel program.

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Diesel fuel apps

There are several apps available that can help you find the cheapest diesel fuel. Fuel prices can fluctuate daily, so keeping track of prices in your area can help you save money.

OTR Mobile App

The OTR Mobile App includes a Fuel Finder tool that allows you to locate fuel stations along your route, highlighting those with the best diesel fuel discounts. The app also shows you which stations accept the OTR Fuel Card, which offers discounts at over 2,200 stations nationwide.

FleetAdvance

The FleetAdvance app helps you find the best deals on diesel and gas prices in your area. It provides a list of nearby fuelling stations and their current prices, and grades your purchases based on available savings.

GasBuddy

GasBuddy is a crowd-sourced app that relies on users to report real-time prices at stations. It has over 100 million downloads and can be used to find the best prices and access all GasBack offers. The GasBuddy card also saves you money at a ton of stations.

PetrolPrices

The PetrolPrices app allows users in the UK to find and compare petrol and diesel prices across the country. It also provides information on station facilities, such as car washes and cash machines, and sends discounts and offers straight to your inbox.

Trucker Path

The Trucker Path app features chain and independent truck stops, providing fuel prices for many of its 6,000-plus locations. The map shows all nearby fuelling locations and their diesel prices, and provides directions, parking availability, and fuel prices.

Other Apps

Other apps that can help you find cheap diesel fuel include GetUpside, Checkout 51, AAA Mobile, and DAT Trucker fuel finder. These apps offer cash back, fuel price comparisons, and trip planning features to help you save money on fuel costs.

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Diesel fuel cards

OTR Fuel Card

The OTR Fuel Card is a great option for truckers looking to save on diesel fuel in the US. It offers diesel fuel discounts at over 2,200 in-network stations nationwide. Truckers can save significantly at the pump, adding up to better profit margins and lower operational costs. The card is easy to use, and the network of stations means you can find cheap diesel fuel wherever you are driving.

GasBuddy Card

The GasBuddy app is a popular tool for finding the cheapest gas stations, and the company also offers a fuel card that saves you money at a ton of stations. The card can be used on top of other discount cards, and the app keeps you informed of the best places to fill up, even in unfamiliar areas.

FuelGenie Card

FuelGenie is one of the UK's go-to diesel fuel card providers, with no upfront fee and 100% free cards. The cards focus on supermarket forecourts, where fuel is, on average, more than 3 pence cheaper than the national standard. The FuelGenie card offers greater control over fuel costs, easier reporting for accounts, and better operational efficiencies.

SOCAR Card

The SOCAR Card is a fuel card for corporate customers, allowing cash-free refuelling at over 200 petrol stations in Switzerland and Liechtenstein. The card offers preferential conditions and supports environmental sustainability projects. It also provides an informative overview of fuel consumption, including mileage data, and makes VAT compliance easier.

Fuelman Card

The Fuelman fuel card is another option for businesses to control their fleet's fuel expenses. It offers savings of $0.12 on every gallon of diesel fuel at over 40,000 fueling locations in their discount network.

In addition to these fuel cards, there are also mobile apps available, such as PetrolPrices and OTR Mobile App, that can help you locate nearby fuel stations with the lowest diesel prices.

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UK diesel prices by region

The price of diesel fuel in the UK is not regulated by a monitoring body, and so prices can vary significantly between retailers and regions. Local retail dynamics play a large part, with local prices driven by the presence of supermarkets competing on price or independent forecourt retailers determined to offer the cheapest fuel.

In January 2025, the average price of diesel in the UK rose to over 143 pence per litre for the first time in four months. This was up from an average of 146.40 pence per litre in July 2024, which had fallen from 178.94 pence per litre in January 2023.

In May 2025, pump prices reached a near four-year low, with diesel falling below 139 pence per litre for the first time since September 2021.

Fuel duty in the UK is currently 52.95 pence per litre, down from 57.95 pence per litre in previous years. This is a significant source of revenue for the government, estimated to have raised £24.7 billion in 2023/24.

Frequently asked questions

Texas, Missouri, Oklahoma, South Carolina, and Arkansas are among the states with the cheapest diesel fuel in the country.

You can use a fuel finder app such as PetrolPrices, GasBuddy, or myRAC to locate the cheapest diesel fuel in your area.

You can use fuel cards such as the OTR Fuel Card or the GasBuddy card, which provide discounts at a wide range of fuel stations.

Yes, supermarket petrol stations can offer great value and convenience. However, be sure to shop around and look beyond supermarkets as some independent retailers can also be cost-competitive.

Yes, diesel prices can vary significantly by region, even in towns that are only a few miles apart. This is influenced by factors such as local retail dynamics, competition between supermarkets, and the presence of independent retailers.

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