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The Aug. 6 issue of Transport Topics had an article headlined “Heat Wave Causing More Tire Failures, Adds Strain on Drivers, Fleet Execs Say” (p. 6). If there ever was a reason to maintain proper air pressure in tires, whether they are retreads or virgin tires — because there is no difference — it is hot weather.

A new report has raised questions about whether a Department of Defense contract to outsource freight shipments has produced huge savings claimed by Menlo Worldwide Logistics, in large part because of DOD’s failure to scrutinize the program closely.

Efforts to create a motor carrier-based pool to provide intermodal chassis are continuing, though American Trucking Associations’ Intermodal Motor Carriers Conference said it has not yet decided how to accomplish that goal.

The ongoing pilot program that allows approved Mexican fleets into the interior of the United States suffers from lax oversight that does not sufficiently ensure compliance with the program’s requirements, a federal auditor said in a report released last week.

Margo Oge, a key player in the federal government’s push to decrease vehicle emissions and increase fuel efficiency, said she will retire at the end of this month.

In their second week in charge, the new management team at Navistar International Corp. reported a quarterly loss for the three months ended July 31 and laid out plans for a return to financial health in the wake of the company’s recent change in its truck engine emissions strategy.

FedEx Corp. said its earnings for the three months ended Aug. 31 will probably decline by 4.1% from last year’s comparable quarter, “as weakness in the global economy constrained revenue growth” at its Express division.

FedEx Corp. said its earnings for the three months ended Aug. 31 will probably decline by 4.1% from last year’s comparable quarter, “as weakness in the global economy constrained revenue growth” at its Express division.

The nation’s heavy-duty truck fleet shrank 1.5% in the second quarter from a year earlier to 3.5 million vehicles, as companies continued purging older trucks but held off buying new ones in response to slow economic growth and regulatory uncertainty, R.L. Polk & Co. said in a new report.

Retail average diesel fuel prices rose 3.8 cents last week to $4.127 a gallon — the ninth straight increase — the Department of Energy reported, as the oil industry in the Gulf Coast dealt with the aftermath of Hurricane Isaac.