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Canadian transportation firm TransForce Inc. said its second-quarter net income fell to C$18 million, or 21 cents a share, from C$19.3 million, or 22 cents, a year ago.

Truckload carrier Knight Transportation’s second-quarter profit was about even with a year ago at $12.6 million, or 15 cents a share, compared with last year’s $12.7 million, or 15 cents.

Transportation and third-party logistics firm C.H. Robinson Worldwide reported a second-quarter profit of $92 million, or 54 cents a share, up slightly from $90 million, or 52 cents a share, a year ago.

A two-mile stretch of Interstate 75 damaged by a fiery explosion last week is expected to reopen Monday, the Detroit Free Press reported.

Sprint Nextel Corp., the third-largest U.S. wireless carrier, plans to pay Ericsson AB as much as $5 billion to manage its networks, offloading the expense of running its own systems.

Navistar Inc. said it has completed 18 months of laboratory and field tests of its “advanced” version of exhaust gas recirculation engine technology that will be used to meet 2010 federal emission requirements.

The idea of removing 10% of truck traffic from the nation’s highways by 2020 to reduce carbon emissions is “almost ludicrous,” Ray Kuntz, former chairman of American Trucking Associations, told a Senate committee last week.

YRC Worldwide’s latest cost-cutting agreement with the Teamsters is expected to save $870 million over 18 months and help the company regain its financial footing, analysts and company officials said.