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McLeod Software said Wednesday that it had purchased Intergrated Logistics Execution Network Systems, or iLENS, a logistics software company.

LOUISVILLE, Ky. — China International Marine Containers introduced the first trailer it is marketing in the United States under its own name, a refrigerated unit it said contains a proprietary insulation system that will eliminate the 3% to 7% in condensation weight that typical reefers build up in a year.

A House bill would freeze the truck size and weight limits of 53 feet for trailers and 80,000 pounds for the entire national highway system.

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.

Gary Weilheimer and Tom Tranovich, who have more than 40 years combined transportation experience, said they are opening linked non-asset-based businesses to serve the logistics industry.

National Retail Systems has deployed 115 trucks to comply with the Clean Truck Program requirements set forth by the ports of Los Angeles and Long Beach, the company said Tuesday.

Canadian National Railway and Norfolk Southern Corp. plan to create a “MidAmerica Corridor,” an agreement in which the railroads will share track and carry each other’s shipments in various routes in the Midwest, the railroads announced Tuesday.

Descartes Systems Group said Thursday it acquired the logistics business of privately held Oceanwide Inc., in an all-cash transaction of about C$10.4 million ($8.4 million).

Ryder System said Tuesday it has completed its acquisition of a Canadian logistics firm with operations in China.

Greatwide Logistics Services, a provider of non-asset-based transportation and third-party logistics services, said it will be acquired by a private investor group.