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TransCanada Corp. said its Keystone pipeline, which carries Canadian crude to the United States, likely was the source of an oil spill in Missouri that prompted the company to shut a segment of the line.

The U.S. Environmental Protection Agency plans to tailor its new glider truck emissions standard to help protect the glider industry from “going out of business or substantially reducing its economic growth potential,” agency chief Andrew Wheeler said in a document sent to Congress.

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Trucking groups prepared their drivers with tips on operations and safety as a polar vortex gripped the Midwest, delivering extremely cold temperatures and harsh wind chills.

As fleets know, many variables can affect test results for truck fuel-saving technologies and practices.

Organizers for this year's gathering of the Transportation Research Board in Washington have come up with a list of a dozen topic areas that policymakers need to address to ensure a sustainable transportation network.

In the debate over climate change, the heaviest polluters — think: power plants, trucks and cars — get the most attention from policymakers. New research suggests a broader view might be called for.

Infrastructure and trade loom large for trucking in the year ahead as freight carriers adjust to a slower, but still positive, rate of economic growth in 2019, according to industry experts interviewed by Transport Topics.

BILLINGS, Mont. — President Donald Trump’s administration miscalculated the potential benefits of putting better brakes on trains that haul explosive fuels when it scrapped an Obama-era rule over cost concerns, The Associated Press has found. A government analysis used to justify the cancellation omitted up to $117 million in estimated future damages from train derailments that could be avoided by using electronic brakes.