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Accellos Inc., Colorado Springs, Colo., a provider of warehousing and logistics management software, said it acquired Prophesy Transportation Software of Bloomfield, Conn., for an undisclosed amount.

The Bush administration has nominated David Kelly to head the National Highway Traffic Safety Administration, the Associated Press reported.

Manufacturing activity in the Chicago region grew in September, the National Association of Purchasing Management said Tuesday.

Diesel fuel’s national average price fell 6.5 cents to $3.958 a gallon, the 10th straight weekly decline and the first time it has fallen below the $4 mark in almost six months, the Department of Energy said Sept. 22, although a surge in crude oil prices added uncertainty to the outlook.

A federal appeals court Wednesday denied a motion to block a clean trucks program at the Southern California ports of Long Beach and Los Angeles, allowing the sister ports to begin implementation of the program Oct. 1, the Contra Costa (Calif.) Times newspaper reported.

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

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.