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Heavy-duty engine manufacturers blasted the U.S. Environmental Protection Agency last week for allowing Navistar Inc. to pay penalties to sell engines that do not comply with 2010 emissions standards, saying the agency did not follow the law in determining the penalties.

The use of liquefied natural gas as a U.S. truck fuel has a diverse array of proponents, including President Obama, ATA Chairman Dan England, corporations such as UPS Inc. and Ryder System and environmental activists. But as of now, the super-cold fuel is hard to find.

The ongoing shift of intermodal chassis ownership from ocean carriers to truckers and lessors could encounter a new jolt as the International Longshoremen’s Association promised to keep the repairing of chassis a key negotiating issue in contract talks that begin next week.

The federal government’s program allowing Mexican trucks into the country improperly exempts Mexican truckers from regulations concerning licenses, medical certification and drug testing, an advocacy group told a federal court last week.

American Trucking Associations will challenge several provisions of the new federal hours-of-service rule, including its restart provision, a mandatory 30-minute break and a narrowing of certain exceptions for local delivery drivers.

Port Logistics Group said it has signed a multiyear service agreement with Canadian food retailer Loblaw Cos., the parent of the Joe Fresh clothing brand.

The Transportation Intermediaries Association will focus its attention on government regulation, particularly the Compliance, Safety, Accountability program, when the trade group convenes March 21-24 in San Antonio.

Manufacturing activity in the Philadelphia region expanded in March at the fastest pace in 11 months, the Federal Reserve Bank of Philadelphia said Thursday.