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U.S. Department of Transportation U.S. Department of Transportation Icon United States Department of Transportation United States Department of Transportation

Motor Fuel Prices – August 2026

Tuesday, September 1, 2026

BTS 26-65

Today, the Bureau of Transportation Statistics (BTS) released monthly motor fuels prices for August 2026. 

In August 2026, the average price for regular motor gasoline was $4.06 per gallon; up 3.2% from July 2026 and up 29.5% from August 2025. 

The figure is a line chart showing two lines – one for the price of diesel fuel and one for regular gasoline (all formulations) by month from August 2025 to August 2026. The price for diesel fuel ranges from $3.74 in August 2025 to $5.46 in August 2026. The price for regular gasoline ranges from $3.13 in August 2025 to $4.06 in August 2026.

By region, the average price for regular motor gasoline in August 2026 was and year-over-year change:

  • West Coast: $5.13 (up 26.6%)
  • Rocky Mountain: $4.23 (up 34.3%)
  • Central Atlantic: $4.09 (up 30.9%)
  • New England: $4.02 (up 31.9%)
  • Midwest: $3.89 (up 28.6%)
  • Lower Atlantic: $3.77 (up 29.4%)
  • Gulf Coast: $3.61 (up 32.9%)

The average price for diesel no. 2 was $5.46 in August 2026, up 10.2% from July 2026, and up 45.9% from August 2025.

For additional information and for interactive charts on transportation's role in the economy and changes (trends) over time, please visit BTS’ Transportation Economic Trends.

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