The national average price for a gallon of on-highway diesel increased 2.1 cents to $2.868 for the week ending Monday, Aug. 20, 2007.
On-highway diesel, consisting of ultra-low sulfur diesel and remaining supplies of low-sulfur diesel, averaged 16.5 cents per gallon less than one year ago, the Energy Information Administration reported.
For the week, ULSD averaged $2.878, down 1.7 cents per gallon while the low-sulfur average was down 3.6 cents to $2.826.
Average ULSD prices by region showed a mixed bag.
On one hand, the average price of ULSD continued to decline in California, down 3.8 cents from $3.054 to $3.026 per gallon. The average there was $3.140 just two weeks ago.
The average price in the West Coast region continued to decrease – this time by 2.2 cents – as ULSD was priced at $3.001.
The Rocky Mountain region averaged $2.984 for ULSD, down one-half of a cent from $2.989.
ULSD also decreased in average price in New England, eight-tenths of a cent from $2.923 to $2.915 per gallon.
The largest increase in average price occurred in the Gulf Coast region, where ULSD increased 3.7 cents from $2.773 to $2.810 per gallon. But, the Gulf Coast held on with the cheapest reported average price for the week.
The next cheapest average for ULSD was in the Lower Atlantic region despite a 2.9-cent increase from $2.785 to $2.814 per gallon.
ULSD priced an average of 2.3 cents higher per gallon in the Midwest region, moving from $2.855 to $2.878.
The East Coast region averaged 1.7 cents higher – $2.834 to $2.851 per gallon for ULSD.
The Central Atlantic region averaged one-tenth of a cent higher for ULSD, pricing at $2.899 per gallon.