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Eastern freight railroad Norfolk Southern Corp. said its first-quarter profit rose 2%, as higher revenue per shipment offset an overall drop in traffic and record fuel prices.

Crude oil prices fell for the first time in four days Wednesday, a day after setting a closing-price record of more than $119 a barrel, Bloomberg reported.

Arkansas Best Corp.’s first-quarter profit jumped 78% to $8.5 million, or 34 cents a share, from $4.8 million, or 19 cents, a year earlier.

The New Hampshire Senate passed a bill that would require law enforcement to provide a 5% overweight “tolerance” for most trucks on non-interstate roads.

I am interested in the feedback on fuel prices displayed in “Letters to the Editor.” Unfortunately, most of the letters did not focus on two salient facts affecting the price of oil. The first is the dismal exchange rate of the U.S. dollar versus the euro, and the second is world demand for petroleum products.

The federal government’s Transportation Workers Identification Credential enrollment began Wednesday at three U.S. ports: Chattanooga, Tenn.; LaPorte, Texas; and Portsmouth, N.H.

Truckload carrier Knight Transportation’s first-quarter profit fell to $11.4 million, or 13 cents a share, from $16.6 million, or 19 cents, a year ago.

Sen. Olympia Snowe (R-Maine) has introduced legislation to lower the federal tax on diesel fuel, to make it on par with the gasoline tax.

Transportation and logistics firm C.H. Robinson Worldwide’s first-quarter profit rose to $86.3 million, or 50 cents a share, from $73 million, or 42 cents, a year ago.

The Department of Transportation proposed Tuesday to boost fuel-efficiency standards for cars and light trucks by almost 25% by the year 2015.