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The Christmas tree that will sit on the lawn of the U.S. Capitol arrived in Washington last week, towed by a Mack truck.

Walmart Canada Corp. is hoping to revolutionize freight transportation in Canada with a huge new cargo carrier.

GE Energy Financial Services said Tuesday it is providing $200 million to Clean Energy Corp. for two liquefied natural gas plants.

The Department of Energy’s National Renewable Energy Laboratory launched an online tool for fleet managers to evaluate the benefits of using alternative fuels.

Wireless technology and service provider Qualcomm Inc. reported a higher profit for both its fiscal fourth quarter and fiscal year.

Trimble Navigation Ltd., the parent company of PeopleNet Communications Corp. and TMW Systems Inc., said its third-quarter profit nearly doubled from last year.

XRS Corp. said Thursday its fiscal fourth-quarter loss narrowed from a year ago, while its adjusted earnings improved for the quarter and fiscal year.

Clean truck technology company representatives from the U.S. and China met for the first time last week with agencies from both governments, said event sponsor Calstart.

While the largest aerodynamic changes are happening on trailers, truck makers said their products also are being made more air-efficient, which has a significant effect on the entire tractor-trailer combination.