Freight railroad Union Pacific Corp. Tuesday boosted its third-quarter earnings forecast due to lower fuel prices and improved operating efficiency.

Logistics and delivery firm Dynamex Inc. reported an improved fiscal fourth-quarter profit and said it was searching for a new chief executive officer.

In honor of National Trucking Week, Sept. 7-14, let’s take a minute to think about the trucking industry and the thousands of men and women who work within it to make our lives functional, comfortable, healthy and safe.

In a sweeping decision with possible national implications, the Environmental Protection Agency has granted California a waiver that will allow state environmental regulators to implement stringent new heavy-duty vehicle and engine onboard diagnostics requirements for 2010 engines and beyond.

The head of the Canadian Trucking Alliance said an announcement by Prime Minister Stephen Harper that if re-elected he will cut the four cent per liter federal excise tax on diesel fuel in half was the right thing to do for the country’s truckers.

The White House named David Kelly to serve as acting administrator of the National Highway Traffic Safety Administration.