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The U.S. trade deficit expanded by 3.7% in December as imports climbed to the highest level in more than three years, the Commerce Department said Friday.

Forward Air Corp. said late Tuesday its fourth-quarter net income rose to $14.4 million, or 50 cents per share, from $11.8 million, or 41 cents, a year earlier.

Retail diesel prices increased for the second week in a row, rising 2.6 cents to $3.854 a gallon, the Department of Energy reported last week.

The U.S. trade deficit expanded by 10.4% in November as exports declined to a four-month low, the Commerce Department said Friday.

Several key air and ground transportation issues are pressing before Congress, but lawmakers have only a few working days this month in which to address them.

The U.S. trade deficit narrowed by 1.6% in October, shrinking to its lowest level of the year, the Commerce Department said Friday.

A proposed U.S. rule requiring automakers to double average fuel economy of vehicles to 54.5 miles per gallon by 2025 could cost $157 billion, though the costs would be offset by fuel savings, two federal agencies said in a draft, Bloomberg reported.

A California group representing businesses has filed a federal lawsuit challenging the federal government’s greenhouse emissions regulations for medium- and heavy-duty trucks.

The truck driver shortage and related fleet capacity constraints are driving strong growth in domestic intermodal hauling as carriers and shippers try to ensure they have freight-moving options in the months ahead, industry experts said.