The national average price of on-highway diesel eased 4 cents to $2.811 per gallon for the week ending Monday, April 30, 2007.
The U.S. Energy Information Administration reported that remaining supplies of low-sulfur diesel dropped 6.5 cents per gallon to a national average of $2.746, while ultra-low sulfur diesel dropped an average of 3.2 cents per gallon nationally to $2.831.
Average ULSD prices fell in seven of nine regions, with the biggest decrease happening in the Midwest region. The average price for a gallon of ULSD there dropped 5.3 cents from $2.847 to $2.794.
The Gulf Coast region had an average price of $2.762, down 4.7 cents from $2.809 per gallon for ULSD.
The Lower Atlantic region had a 3.2-cent decrease from $2.833 to $2.798 per gallon.
ULSD prices dropped 2.1 cents in the East Coast region from $2.850 to $2.829.
California, where ULSD is mandatory, was selling for an average of $2.987, down 1.7 cents from the $3 mark the previous week.
Average ULSD prices decreased fractionally in the West Coast region from $2.962 to $2.961 per gallon.
The Central Atlantic region also sported a slight decrease in ULSD prices from $2.874 to $2.871 per gallon.
The EIA reported two regions where diesel prices increased last week. In the New England region, a gallon of ULSD that cost $2.862 increased fractionally to $2.868.
ULSD in the Rocky Mountain region increased a penny to $2.994.