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ARLINGTON, Va. — A top Navistar Inc. official said the company is pursuing its own solution to meet the 2010 U.S. emission standards, because it doesn’t believe the fuel savings claimed by competitors will justify the higher costs and more complicated systems associated with the new engines.

ORLANDO, Fla. — Kevin Knight, chief executive officer of Knight Transportation, touted trucking’s efforts in recent years to become more environmentally friendly, and said the industry should work to improve its green message to the public.

UPS Inc. and the U.S. Postal Service have agreed to work together to make it easier for consumers to return goods purchased online, a move that more closely aligns the nation’s mail delivery system with the largest commercial package carrier.

Last January, our company launched an “instructor-of-the month” program. We began by inviting directors of truck-driver training programs to nominate individuals, and then we interviewed the winning instructors.

Vitran Corp. said Tuesday it lost $ $3.2 million, or 23 cents a share, compared with a profit of $1.7 million, or 12 cents, a year earlier.

In a whirl of activity that is expected to accelerate in coming years, states are making toll roads a permanent part of the nation’s highway system and eyeing toll dollars as a way to plug gaping budget deficits.

Starting in 2010, fleets buying new trucks will have to decide between two very different engine systems, and manufacturers already are warning that selecting the competing platform will leave the owner with an inferior product.