For the second week in a row, the national average price of on-highway diesel increased 3 cents per gallon.
The U.S. Energy Information Administration reported a national average of $2.924 per gallon for the week ending Monday, Sept. 10, taking into account ultra-low sulfur diesel and low-sulfur diesel.
The national average for ULSD increased 3.1 cents for the week from $2.901 to $2.932, while remaining low-sulfur diesel supplies increased 3.2 cents to $2.891 per gallon.
ULSD prices, which are also reported regionally by the EIA, increased an average of 5.8 cents per gallon in the Central Atlantic region – from $2.931 to $2.989 – and by 5.3 cents in the New England region – from $2.915 to $2.968.
The East Coast region had an average of $2.921 for ULSD, up 4.5 cents from $2.876.
ULSD in the Lower Atlantic region increased 3.7 cents to average $2.877.
The cheapest ULSD in the nation was in the Gulf Coast region at $2.866 per gallon despite an increase of 2.8 cents.
Prices for ULSD averaged $2.957 in the Midwest region after an increase of 3.2 cents.
The Rocky Mountain region showed an average increase of 1.5 cents per gallon from $2.946 to $2.961.
ULSD in the West Coast region and in California was up a penny, averaging $2.986 and $2.995 per gallon respectively.