What States Have the Cheapest Diesel?
Top 5 States with Cheapest Diesel Prices in July 2023:
Texas: $3.69
Mississippi: $3.69
Louisiana: $3.72
Oklahoma: $3.74
Missouri: $3.76
Closing out the month of July, diesel fuel prices have risen across all regions compared the previous week but are still down compared to the prior year.
![July 2023: Diesel Fuel Prices Rising [Updated]](https://assets.bobitstudios.com/image/upload/f_auto,q_auto,dpr_auto,c_limit,w_920/20230801-diesel-fuel-prices_1775983080800_eyk8oa.png)
Average national diesel fuel prices rose across all regions closing out July 2023.
Photo: Work Truck/EIA
Closing out the first full month of summer and the final week of July 2023, national average retail diesel fuel prices mostly showed minor increases week-over-week but all regions are still seeing fuel prices down compared to last year. As of July 31, 2023, current national average diesel prices are $4.13 per gallon, according to the U.S. Energy Information Administration (EIA).
This price represents an increase of 22 cents over the previous week, yet still a decrease of $1.01 compared to last year. All prices bumped back above the $4 per gallon mark with the exception of the Gulf Coast.
Check out Work Truck's latest weekly diesel price update covering the constantly fluctuating prices of diesel fuel. Keep scrolling for gasoline price updates, too.

Average national diesel fuel prices stayed stable with only moderate increases or decreases across U.S. regions.
Photo: Work Truck/EIA
Starting the first month of summer and the third week of July 2023, national average retail diesel fuel prices mostly showed minor increases week-over-week but all regions are still seeing fuel prices down compared to last year. As of July 17, 2023, current national average diesel prices are $3.81 per gallon, according to the U.S. Energy Information Administration (EIA).
This price represents no increase or decrease over the previous week, yet still a decrease of $1.63 compared to last year.
Starting the third week of July, average diesel prices as of July 17, by region were:
East Coast: $3.88
Midwest: $3.73
Gulf Coast: $3.51
Rocky Mountain: $3.93
West Coast: $4.47

Average diesel fuel prices increased in all U.S. regions except for one during the second week of July 2023.
Photo: Work Truck/EIA
Starting the first month of summer and the second week of July 2023, national average retail diesel fuel prices increased slightly across all regions except for one. As of July 11, 2023, current national average diesel prices are $3.81 per gallon, according to the U.S. Energy Information Administration (EIA).
This price represents a close to 4 cent increase over the previous week, yet still a decrease of $1.76 compared to last year.
Starting the second week of July, average diesel prices as of July 11, by region were:
East Coast: $3.86
Midwest: $3.74
Gulf Coast: $3.51
Rocky Mountain: $3.94
West Coast: $4.46

Average diesel fuel prices continue their downward decline with only one region remaining above $4 per gallon.
unknown nodePhoto: Work Truck/EIA
unknown nodeStarting the first month of summer and the first week of July 2023, national average retail diesel fuel prices continued declining in all regions. As of July 3, 2023, current national average diesel prices are $3.77 per gallon, according to the U.S. Energy Information Administration (EIA).
This price represents a just over 3 cent decrease over the previous week and a decrease of $1.91 compared to last year. In addition, the Rocky Mountain region finally dipped below the $4 per gallon mark, leaving just the West Coast above the $4 mark.
This price decrease is holding steady with the EIA forecast earlier this year for retail diesel prices to decline in 2023 and 2024.
Starting July 2023, average diesel prices as of July 3, by region were:
East Coast: $3.81
Midwest: $3.70
Gulf Coast: $3.47
Rocky Mountain: $3.95
West Coast: $4.41
Closing out July 2023, national average gasoline prices in the U.S. have slowly rising once again week-over-week since since a peak in April.
Average U.S. gasoline prices were $4.13 per gallon as of July 31, 2023.
Stay informed! Stay up-to-date on diesel fuel prices throughout the month by regularly checking for the latest updates. We will post new information as soon as it becomes available, so come back again!

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