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Tesla Inc. pushed back the reveal of its semi-truck by three weeks as CEO Elon Musk focuses on boosting production of the cheaper sedan that the electric-car maker is counting on to dramatically increase sales.

The Federal Highway Administration has divided $15.5 million between six states that are exploring alternative ways to fund highway and bridge projects.

The Federal Motor Carrier Safety Administration’s recent series of state-level grants will not only improve driver safety, but will also expedite the process of obtaining a commercial driver license, according to Tom Keane, director of the agency’s Office of Safety Programs.

General Motors announced Oct. 9 that it is buying Strobe, a Pasadena startup that makes lidar, a laser-based sensor that most autonomous vehicles use to see the world around them.

While advancements in autonomous — or self-driving — cars get much of the attention, development of self-driving commercial vehicles is speeding forward.

U.S. residents are “polarized” on whether to embrace driverless cars, according to a survey by insurer American International Group Inc.

As efforts to renegotiate terms of the North American Free Trade Agreement shift from Ottawa to Washington, two trucking industry groups and the Teamsters union are taking aim at a provision in the current agreement that allows trucks from Mexico to operate in the United States.

The idea of highways being filled with self-driving cars may be alluring, but it has highway safety experts raising numerous questions about common contemporary issues like drunk driving, seat belt use and how other motorists might react to a car without a driver behind the wheel.

Self-driving truck technology being developed by Caterpillar Inc. at its Tucson, Ariz., division headquarters will soon be used more extensively by iron ore mines in Australia