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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.

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.

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

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

The average retail price of diesel fuel fell 1.7 cents to $2.413 a gallon, the Energy Department reported Monday.

Crude oil futures posted their biggest one-day gain Tuesday since September 2005, rising on forecasts of continuing cold weather and expectations of a stronger U.S. economy, Bloomberg reported.

The maintenance managers of two vehicle leasing companies expect few problems in their shops as the truck-operating industry shifts to the next generation of lower-emission diesel engines.

President Bush outlined an energy plan Tuesday that would boost the use of alternate fuels such as ethanol and biodiesel, and would seek a 20% reduction in gasoline use in the next 10 years, news services reported.