After rising by a fraction of a cent last week, the average price of a gallon of diesel rose almost three cents to $2.918 for the week ending Monday, March 12. According to the U.S. Department of Energy, every region except the Rocky Mountains and the West Coast experienced a cost hike.
The Rockies stayed at $3.041 per gallon, while the West Coast remained at $3.149. Californians continued to pay the most, at $3.217 per gallon. The Gulf Coast experienced the biggest leap – rising 4 cents to $2.848; however, the region still has the lowest prices in the nation. Fuel in the Central Atlantic region cost $3.
For state-by state diesel prices, updated daily, click here.


















![Img 9401[87]](https://img.ccjdigital.com/mindful/rr/workspaces/default/uploads/2026/05/img-940187.vJq7SVGjUK.jpg?auto=format%2Ccompress&fit=crop&h=167&q=70&w=250)
