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The Maintenance Council of American Trucking Associations and the Engine Manufacturers Association have joined to propose a new standard definition for “premium” diesel fuel, which sets forth requirements for minimum lubricity and thermal stability, among other things.

An Amtrak train hit a tanker truck July 8, derailing eight cars and injuring at least four people, none seriously. Among the uninjured passengers was Cindy McCain, wife of Arizona Sen. John McCain, and their son, Jack, 13. McCain, a Republican, chairs the Senate Transportation Committee.

The $1.3 billion settlement between the federal government and six major engine manufacturers accused of cheating on engine emissions tests was approved July 1 by a federal judge.

The price of diesel rose 1.5 cents through the week leading up to the Fourth of July holiday, hitting $1.102 a gallon. The national average reported July 5 took fuel to a 17-month high. This has prompted some observers to suggest that rate surcharges have become a serious possibility.

Teamsters union President James P. Hoffa asked workers picketing at 11 Overnite Transportation terminals Friday to go back to work. Company officials called the decision a "surrender," while the union claimed victory.

Employees at two more Overnite Transportation terminals went on strike July 8, bringing the total number of strikers to 1,430 at seven of the firm's 166 terminals, Teamsters union officials said. Earlier, the company flatly rejected the union’s offer of a meeting.

The latest attempt at a long-haul trucker strike, which began with a bang July 5, ended with a whimper two days later. Truckers Against Discrimination organized the stoppage to protest split speed limits, stiffer traffic fines for commercial drivers and lane restrictions.

Members of the Teamsters union have approved an agreement previously made with trucking companies that haul new cars to showrooms across the country. The contract was ratified by a four-to-one margin during a vote Wednesday.

Hampton Roads, Va. leaders are considering tolls and gas tax increases to pay for major transportation improvements. But Newport News Mayor Joe Frank fears they "could have a chilling effect on the exchange of commerce" in the Tidewater Virginia area.