The national diesel fuel average rose 1.5 cents a gallon last week, while gasoline posted a much larger 6.9-cent jump, widening the gap between the two fuels as gas stockpiles declined ahead of the traditional Memorial Day start of summer driving season.

The Obama administration last week announced stricter requirements for automobile fuel efficiency and a first-ever national greenhouse gas reduction standard for cars and light trucks. Though heavy trucks are not immediately affected, an industry official suggested similar changes could be coming within the next decade.

Logistics firm US 1 Industries said it had a first quarter net loss of $979,000, or 7 cents a share, compared with a profit of $690,000, or 5 cents a share, a year earlier.

Third-party logistics firm DLJ Express will be sold to investment company Arcadia Capital Group, the company that arranged the sale said.

C.R. England said that it has implemented myLogistics software in its dedicated division, giving the logistics company better ability to bid for contracts, among other features.

Radiant Logistics said that it will repurchase up to 5 million shares of its common stock through 2010.

CEVA Logistics has been awarded a contract to handle forwarding services for U.S.-based wireless technology company Powerwave Technologies, Ceva said.

The two main truck and engine companies of Daimler Trucks North America said they have provided truckload carrier Schneider National with two more test tractors powered by 2010-compliant diesel engines.

California’s transport refrigeration unit rule illegally imposes a national requirement on all motor carriers that enter the state, attorneys for American Trucking Associations and the Truckload Carriers Association told a federal appeals court.