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GRAPEVINE, Texas — Truck and engine maker Navistar Inc. has tweaked the designs and specifications on its Class 8 ProStar and TranStar tractors in order to lure fleet customers with what its management sees as better ways to comply with recent federal regulations.

Volvo Trucks North America said it was introducing a new powertrain package for its VN series tractors aimed at reducing fuel consumption by up to 3%.

Arizona has formally asked the federal government for permission to toll its 29-mile section of Interstate 15, but the governor of neighboring Utah and the trucking industry are pushing back against the proposal.

Frozen Food Express Industries said its third-quarter loss increased from a year ago.

Manufacturing activity in the Chicago area declined in October, the Institute for Supply Management-Chicago said Monday.

Goodyear Tire & Rubber Co. said its third-quarter net income and sales rose to records.

P.A.M. Transportation Services reported a third-quarter loss of $1.7 million, or 19 cents per share, compared with a loss of $500,000, or 5 cents, a year ago.

Vitran Corp. on Monday reported a third-quarter loss, compared with a profit a year ago.

Ryder System said that UBCR LLC has selected it as a partner in a Michigan natural gas project that will put 16 more heavy-duty natural gas trucks on the road.

Cheetah Software Systems Inc. said it has made available its next generation Cheetah Mobile app for the Android platform.