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A misconduct investigation completed by Tennessee Technological University concluded that university researchers erred when stating in an industry-funded glider kit study that emissions from the trucks are as clean or cleaner than those from newer trucks.

Four House Democrats have asked the Environmental Protection Agency Inspector General to investigate a glider truck study by a Tennessee Tech University researcher. The study already is the subject of a research misconduct investigation by the university.

To test how Americans feel about its plan for rolling back car and truck pollution standards, the Trump administration will hold an initial public hearing Sept. 24 in Fresno, Calif., a place where it might reasonably expect a friendly response.

HANOVER, Germany — The global truck manufacturers and suppliers exhibiting here at the massive IAA Commercial Vehicles show expressed a broadly shared vision that connectivity, automated driving and electric power are the dominant trends that will mold the future of commercial vehicles.

Kern County, California’s third largest by surface area, has earned an overall C on an infrastructure report card developed by the region’s American Society of Civil Engineers division.

Add oil tankers breaking down at sea to the list of things shipping companies are worrying about as they brace for a once-in-a-generation overhaul to the kind of fuel the industry must consume.

A colossal Canadian oil-sands project may be showing the way forward for an industry many thought would never see new investments.

Aperia Technologies Inc., a supplier of tire-inflation technologies for commercial vehicle tractors and trailers, announced the release of a new chrome cover for the Halo Tire Inflator.