The national average price for on-highway diesel increased 3 cents to $2.893 per gallon for the week ending Monday, Sept. 3, 2007.

The U.S. Energy Information Administration reported the numbers Tuesday following the Labor Day holiday.

Ultra-low sulfur diesel averaged $2.901 per gallon, up 2.8 cents, while remaining low-sulfur diesel supplies averaged $2.859 – 3.8 cents higher than the previous week.

The EIA breaks down ULSD prices by region.

The Midwest region had the largest price increase – 4 cents – as the average price for ULSD climbed from $2.885 to $2.925 per gallon.

ULSD in the Central Atlantic region averaged $2.931, up 3.6 cents from $2.895.

The Lower Atlantic region averaged $2.840 per gallon for ULSD, up 3.4 cents, while the East Coast region averaged $2.876, 3.2 cents higher than the previous week.

The cheapest ULSD average was still found in the Gulf Coast region at $2.838, despite an increase of 2.8 cents per gallon.

ULSD in the New England region increased nine-tenths of a cent per gallon from $2.906 to $2.915.

The West Coast region averaged $2.976 for ULSD, up three-tenths of a cent from $2.973.

Two regions produced average price decreases for the week.

ULSD averaged $2.946 in the Rocky Mountain region, down eight-tenths of a penny, while in California, the average price of $2.976 per gallon was up one-tenth of a cent over last week.

On a national scale, the average on-highway diesel price was 7.4 cents cheaper than a year ago.