Average retail prices fell in all regions, led by a 6.7-cent decrease on the West Coast, which excludes California, where prices fell 5.9 cents but remained the nation’s most expensive at $4.169 a gallon. The smallest decrease was 2.9 cents in the Rocky Mountain region. The least expensive diesel was $3.746 a gallon in the Midwest.
- Complete diesel price information is available on EIA’s website.