The weekly price decrease was the largest since 7.3 cents a year ago.
All regions dropped in price, with the California price falling 8.4 cents a gallon to $4.287, the most expensive. The West Coast excluding California fell 4.7 cents to $4.201. The Midwest declined 7.3 cents to $3.942. The other region dipping below $4 was the Lower Atlantic at $3.943, following the Gulf Coast the previous week.
The record diesel price was $4.764 in July 2008.
For diesel price information, click here.