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More and more, we are hearing that fleets are cutting back truck top speeds to well below the speed limits in order to increase fuel economy. Does everyone understand that time is money?

Second-quarter U.S. worker productivity rose 2.2%, the Labor Department said Friday.

A congressional panel next month plans to review a plan by UPS to DHL Americas’ air shipments, Bloomberg reported late Friday.

Truckload carrier P.A.M. Transportation Services said it lost $1.3 million, or 14 cents a share, in the second quarter, compared with net income of $2.2 million, or 21 cents, a year earlier.

The cost advantage offered by shipping direct and avoiding paying for warehousing and inventory is dwindling, possibly forever, as the price of fuel rises. As a result, more carriers have started looking at warehousing to play a larger role in the logistics process.

Large truckload fleets are gaining business by shifting from marginally profitable longhaul lanes to regional trucking, which in turn is forcing smaller carriers with fewer resources to fight for that longhaul business, industry experts said.

Trucking company bankruptcies more than doubled in the second quarter, soaring 118% from last year as high fuel prices pushed 970 U.S. carriers out of business, a leading industry analyst said.

The head of the Environmental Protection Agency said Thursday that the agency was denying a request by the state of Texas to cut the amount of ethanol required in U.S. gasoline supplies by 50% over the next year.

Transportation software firm Xata Corp. said Wednesday it lost $712,000, or 8 cents a share, in its fiscal third quarter, compared with a loss of $1.6 million, or 21 cents, a year ago.