Retail diesel prices dropped an average of two cents across the United States this week to $2.48, bringing the 27-week average price to $2.66. The largest fall was in the Midwest region with a three cent drop to $2.49. Only the Rocky Mountain region saw no change and sat at $2.49.

The highest retail diesel prices are in the West Coast region, where prices sit at $2.70, while the lowest are $2.30 in the Gulf Coast region.