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DETROIT — Three crashes involving Teslas that killed three people have increased scrutiny of the company’s Autopilot driving system just months before CEO Elon Musk has planned to put fully self-driving cars on the streets.

All but the smallest civilian drones would have to broadcast radio tracking data to ensure greater safety and prevent terrorism under a sweeping proposal unveiled by U.S. regulators Dec. 26.

Teams of researchers based at three state universities will spend the next three years developing ways to help North Carolina prepare for autonomous vehicles and other new transportation technologies.

For the trucking industry, 2019 was a year of transition, replete with regulatory victories and disappointments.

The National Transportation Safety Board needs to ensure technical skills are available and staff expertise is maintained to address concerns related to autonomous vehicles and new technology, nominee Thomas Chapman told a Senate panel Dec. 11.

SACRAMENTO, Calif. — The country’s most populous state could become the first to require a portion of new truck sales be electric or “zero emission” vehicles as California grapples with how to clean up its worst-in-the nation air quality.

Ford Motor Co. is adding to its self-driving car testing operation in Austin, Texas, saying Dec. 11 it has secured two pieces of real estate that will be central to the project.

New York City Mayor Bill de Blasio dislikes autonomous delivery robots and he is not shy about saying so, even as the city’s planners and trucking officials work together on ways to deliver much more freight to the nation’s largest city.

SAN FRANCISCO — Tired of San Francisco streets being used as a testing ground for the latest delivery technology and transportation apps, city leaders are now requiring businesses to get permits before trying out new high-tech ideas in public.