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Air cargo transporter Kitty Hawk Inc. said it lost $11.6 million or 22 cents a share in the first quarter, compared with a loss of $8.7 million or 17 cents a year ago.

President Bush on Monday ordered U.S. government agencies to begin taking regulatory steps to curb vehicle emissions and urged Congress to enact legislation to reduce U.S. dependence on foreign oil.

Federal regulators are looking into possible manipulation of crude oil prices by after-hours trading practices, the Wall Street Journal reported Thursday.

Air cargo company Atlas Air Worldwide Holdings said it earned $6.2 million or 29 cents a share in the first quarter, turning around a loss of $3.7 million or 18 cents a year ago.

Diesel fuel fell 4 cents a gallon to $2.811 last week, its second straight decline, while the gasoline average posted its largest gain in just over a year, the Energy Department said.

CHARLOTTE, N.C. —  Freightliner Trucks last week introduced a new heavy-duty over-the-road truck called “Cascadia” it said improves fuel efficiency by 3%.

Air cargo shipments fell 2.1% in March, the Air Transport Association said Monday.

Forward Air Corp., a contractor to the air cargo industry, said its first-quarter profit slipped by 6% to $10.3 million or 34 cents a share, from $11 million or 35 cents a year ago.

Trucking companies are concerned that new emissions rules in effect this year are hurting mileage and their bottom lines, the Wall Street Journal reported Tuesday.