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LOUISVILLE, Ky. — Navistar Inc. said it soon will introduce a 15-liter engine, which combines the fuel-induction technology of its 11-liter and 13-liter MaxxForce models with the block and other basic components of a Caterpillar C15 power plant.

Transportation officials in Colorado said initial feedback from commercial drivers who have used the AutoSock, a heavy-duty cloth covering for tires, has been positive, and it could become an accepted alternative to metal snow chains.

Class 8 truck volume set a 26-year low in February as U.S. manufacturers and their dealers sold only 6,236 heavy-duty vehicles.

Tire maker Double Coin said it has doubled its market share in Mexico since being reintroduced to that country’s market in 2007.

Truck parts manufacturer Eaton Corp. plans to close a plant in Greenfield, Ind., and move its operations to North Carolina and Mexico, Bloomberg reported.

The U.S. Environmental Protection Agency last week took the first step toward creating a national cap-and-trade system, proposing a new rule that would establish a federal system for reporting carbon dioxide emissions and other greenhouse gases produced by large stationary and mobile sources.

The Federal Motor Carrier Safety Administration released the results of a study led by the American Transportation Research Institute that quantifies the potential return on investment offered by three types of onboard truck safety systems.

The Environmental Protection Agency will require onboard diagnostics systems on at least one engine family per manufacturer starting in 2010.

Your story on the demise of RigMaster comes as no surprise in a sector of the truck market that has seen a drastic downturn of new business, mostly exacerbated by tightening of credit markets (2-9, p. 4).