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U.S. prosecutors are investigating whether Tesla Inc. made misleading claims about the capabilities of its Autopilot driver assistance system, according to a person familiar with the matter.

The Commercial Vehicle Safety Alliance approved a new standard and procedure designed to govern inspections of autonomous commercial motor vehicles.

Federal trucking regulators are planning a study that will examine the effect of human driver factors for Level 2 and Level 3 automated driving systems on commercial trucks.

WASHINGTON — All 50 states received final approval Sept. 27 to begin construction on a first nationwide network of electric vehicle charging stations that places one roughly every 50 miles along interstate highways, part of the Biden administration’s plan to spur widespread adoption of zero-emission cars.

TUCSON, Ariz. — Pony.ai, a developer of self-driving cars based in China and Silicon Valley, will begin testing its autonomous vehicles in Tucson, with trained safety drivers behind the wheel, in a partnership with Pima Community College.

The Pennsylvania Turnpike is jumping into solar energy production to power its maintenance and office buildings with a long-term goal: using solar-generated power to electrify portions of the toll road so electric vehicles can charge as they travel.

Tesla Inc. is plotting a potential lithium refinery on the gulf coast of Texas, a move that would bolster the company’s battery production efforts and further expand its footprint in the state.

Elon Musk doesn’t want to hear complaints from customers trying out the driver-assistance system that Tesla Inc. plans to start charging $15,000 for in the coming weeks.

U.S. House Transportation leaders recently pressed the Federal Communications Commission to open access to a band of communications spectrum set aside for safety operations for transportation entities.

When it comes to autonomous vehicles, there isn’t just one way to go about safety. State regulators draft legislation. Independent firms create recommendations. Individual companies devise their own protocols. Stakeholders can agree on one thing: Safety is important.