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The Department of Energy’s Oak Ridge National Laboratory on Monday began a field test that will track the performance of six tractors and nine trailers during a year of long-haul trucking runs.

Saia Inc., parent of less-than-truckload carrier Saia Motor Freight Line, reported late Tuesday third-quarter net income of $7.7 million or 52 cents a share, up from $7 million or 43 cents a year ago.

Covenant Transport said late Tuesday its net income for the third quarter was $795,000 or 6 cents a share, compared with a net income of $1.2 million or 9 cents a year earlier.

Flatbed carrier Smithway Motor Xpress Corp. reported its third-quarter earnings rose to a record $1.7 million or 34 cents a share, from $1.6 million or 32 cents a year earlier.

Transportation and logistics firm C.H. Robinson Worldwide late Tuesday reported third-quarter net income of $70.4 million or 40 cents a share, up from $54.1 million or 38 cents a year earlier.

Third-party logistics provider Hub Group reported late Tuesday its net income increased to $13.5 million, or 33 cents a share, up from $9.6 million or 21 cents a share last year.

Arkansas Best Corp., the parent of less-than-truckload carrier ABF Freight System, reported Monday a third-quarter profit of $31.5 million or $1.24 a share, down from $40.6 million or $1.61 a year earlier.

Knight Transportation on Monday completed its acquisition of refrigerated truckload carrier Roads West Transportation.

A plan to build privately backed express toll lanes in the Capital Beltway around Washington has become more expensive and may require up to $100 million in public funds, the Washington Post reported Monday.

Voters approved on Sunday a $5.3 billion initiative to double the size of the Panama Canal by 2014, Bloomberg reported Monday.