PHILADELPHIA — Duane Long, soon to be departing as ATA chairman, said he is ready for a break after a whirlwind year but that he also would like to spend more time lobbying for trucking on Capitol Hill.

PHILADELPHIA — The Truckload Carriers Association should have a new president around Thanksgiving, TCA Chairman Keith Tuttle said here.

PHILADELPHIA — Kenworth Trucks General Manager Preston Feight confirmed here that his company will not exhibit at the Mid-America Trucking Show in Louisville, Kentucky, in March.

HAGERSTOWN, Md. — Mack Trucks introduced its new drive-axle line here, the result of a two-year, $30 million investment that is part of the company’s strategy of vertical integration of powertrain components — engines, transmissions and axles — that are all made in-house.

With the comment period now closed on the federal greenhouse-gas proposal to limit emissions from trucks, battle lines are drawn between vehicle owners and manufacturers who want fuel-efficient and well-tested trucks and environmental activists seeking the toughest standards as soon as possible.

Trucking’s extensive experience with diesel-engine regulations could help mitigate any possible fallout against the industry in the wake of Volkswagen Group’s problems with the federal government concerning the automaker’s use of engine software that appears to have manipulated pollution controls.

Federal regulators have taken steps to push the trucking industry toward greater adoption of low-rolling-resistance tires on trucks and trailers in the years ahead, but developing these increasingly efficient tires involves more than simply tweaking a rubber compound, manufacturers said.

U.S. for-hire truck tonnage hauled increased by 2.1% in August compared with the same month in 2014, American Trucking Associations reported Sept. 22.