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Diesel prices will average $2.59 this year, down from $2.705 last year and 7 cents below an earlier forecast, the Department of Energy said Tuesday.

ArvinMeritor Inc. said it would take a loss on the pending $310 million sale of its emissions technology business to a private equity firm, Bloomberg reported.

The average price of retail diesel fuel rose 2.2 cents to $2.435 a gallon, marking the first increase in eight weeks, the Department of Energy said late Monday.

UPS Inc. said Monday it has ordered 27 new Boeing jets to support its growing package business while providing broad options for the management of its air fleet.

The Environmental Protection Agency said it has increased enforcement of its fuel-pump labeling rule after finding that the majority of retail diesel pumps it tested did not display ultra-low-sulfur-diesel labels, even though they were dispensing ULSD.

Air cargo shipments fell in December, led by a decline in domestic shipments, but they climbed for the year, the Air Transport Association said Friday.

Components maker ArvinMeritor Inc. said Friday it plans to sell its emissions technologies business to a private equity firm for $310 million.

LAS VEGAS — Leading heavy-duty truck components manufacturers said technology exists today to build a safer, environmentally friendly and low-cost heavy-duty “world truck,” but major obstacles are consumer acceptance and the lack of a single global standard for emissions and safety technology.

FedEx Corp. said Wednesday it completed its previously announced acquisition of Indian firm Prakash Air Freight Pvt. Ltd. Terms were not disclosed.

The Surface Transportation Board ruled that freight railroads not calculate their fuel surcharges as a percentage of their base rates.