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Diesel engine maker Cummins Inc. said Tuesday its fourth-quarter profit fell 55% from a year ago, due to declining demand.

The Maryland Transportation Authority has approved increased truck tolls its seven toll facilities, the Associated Press reported.

California environmental regulators said last week the U.S. Environmental Protection Agency has granted the state a waiver that will allow enforcement of its regulation requiring emission-control retrofits on refrigerated trucks and trailers.

Swedish truck maker Scania AB’s fourth-quarter net income fell to about $180 million, or 23 cents a share in the first quarterly earnings drop in more than three years, Bloomberg reported.

Carrier Logistics Inc., a software provider focused on less-than-truckload carriers and logistics companies, said that it rolled out a Web-based, pay-as-you-go version of its FACTS freight management software.

Manufacturing in the U.S. contracted in January for the 12th straight month, the Institute for Supply Management said Monday.

Wal-Mart Stores will test two types of hybrid trucks and two types of alternatively fueled trucks, the company announced Monday.

Construction spending fell 1.4% in December, the Commerce Department said Monday.

Vitran Logistics has opened a distribution center in Ontario, Calif., in order to serve Sam’s Club, the company said.

WASHINGTON — Billionaire oil executive T. Boone Pickens told a group of mayors he still hopes the federal government will allocate $28 billion for natural gas-powered heavy-duty trucks as a “bridge” to future technologies.