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Towne Air Freight said it acquired Synergy Cargo Logistics, which will give Towne a greater presence in the southwestern United States. Terms were not disclosed.

The average national price of retail diesel fuel held at $3.28 a gallon from a week ago, the Department of Energy said Monday.

ORLANDO, Fla. — Uncertainty about the life cycle of key emission control components and higher maintenance costs have emerged as the top concerns fleets have with 2007 heavy-duty diesel engines, maintenance and equipment heads at several major carriers said here.

Crude oil prices fell for a third trading day in pre-market trading Monday, with futures falling almost $1 to $88.07 a barrel on the New York Mercantile Exchange, Bloomberg reported.

The Environmental Protection Agency’s fiscal year 2009 budget request includes $49.2 million in clean diesel grants, EPA said Monday following the release of President Bush’s budget.

Truck buyers for some of the nation’s largest fleets are already contemplating their choices for the January 2010 generation of heavy-duty truck engines. Their challenge is matching the original equipment manufacturers they like with one of the two main technologies upon which the OEMs will rely.

WASHINGTON — The Democratic chairman of the House Transportation and Infrastructure Committee, in a speech to American Trucking Associations’ winter meeting here, delivered a scathing criticism of the Bush administration’s handling of transportation issues as he backed the report of a congressional commission that called for major federal spending on infrastructure funded by fuel-tax increases.

The U.S. national average retail diesel fuel price fell 5.6 cents a gallon last week to $3.27, while gasoline dipped 5.1 cents to $3.017, the Department of Energy said.