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The Environmental Protection Agency concluded Monday that greenhouse gases threaten public health and the environment, a move that allows the agency to regulate emissions of the gases.

Transportation software firm Xata Corp. reported losses in its fourth fiscal quarter and fiscal year, and said it acquired a fleet operations software firm.

The Environmental Protection Agency is likely to rule Monday that carbon dioxide is a dangerous pollutant, the Wall Street Journal reported.

News Flash: Since the administration has rejected any move to raise fuel taxes, it’s incumbent on the Department of Transportation to work with Congress to select another funding source for the nation’s infrastructure needs.

Union Pacific Railroad opened a route through California’s Donner Pass to domestic double-stack intermodal container service, enabling the railroad to operate longer, faster trains.

A provision inserted at the last minute into the House hazmat safety bill calls for the Department of Transportation to report to Congress on its efforts to address the longstanding problem of cargo tank rollovers.

As customers seek ways to cut expenses and reduce their carbon footprint through the supply chain, warehouse operators are taking their own steps to trim energy use, optimize loads and automate processes.

Peterbilt and Kenworth trucks will be on display at the Mid-America Trucking Show in 2010, but Volvos won’t, according to officials of the truck makers.

Registrations of new trailers in the United States are running at less than half of last year’s pace, nearly ensuring that 2009 will be the worst 12 months for trailer sales since at least 1975.