The national average price for a gallon of diesel fell another 2.8 cents this week to $2.268, according to the U.S. Energy Information Administration. The price has fallen in all but one week since September and all but two weeks since July 7.
But gasoline prices went up 8 cents to $1.86 per gallon in the week ending Jan. 23, according to the Lundberg Survey of filling stations. Prices for both retail fuels usually lag crude oil prices by a week or two. The closing price for crude oil on the New York Mercantile Exchange increased from $38.74 per barrel on Jan. 16 to $46.47 per barrel on Jan. 23.
Diesel prices didn't go up in any region of the country yet this week. Retailers on the East Coast lowered prices most with a 3.3 cent drop to $2.344 per gallon, the highest average price in the nation. Diesel fell an average of 98.3 cents below the level of last year on the East Coast.
The smallest change was a drop of 6 tenths of one cent to $2.243 per gallon in the Rocky Mountain region. Prices were 99.3 cents lower than at this time a year ago.
The lowest average price was on the Gulf Coast, where diesel fell 2.5 cents to $2.202 per gallon, down $1.016 per gallon from last year.