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DETROIT — Elon Musk is threatening to walk away from his $44 billion bid to buy Twitter, accusing the company of refusing to give him information about its spam bot accounts.

Tesla Inc. is facing stepped-up scrutiny from U.S. regulators who have received 758 complaints of cars made by the company that suddenly brake at high speeds, more than double the number of reported incidents earlier this year.

Electric carmaker Tesla Inc. needs to cut staff by around 10%, CEO Elon Musk said, noting he had a “super bad feeling” about the economy, according to an internal email seen by Reuters.

California regulators on June 2 gave a robotic taxi service the green light to begin charging passengers for driverless rides in San Francisco, a first in a state where dozens of companies have been trying to train vehicles to steer themselves on increasingly congested roads.

NASHVILLE, Tenn. — American Trucking Associations President Chris Spear said he doesn’t view the ongoing advancement of autonomous trucking as a threat to drivers, since economic factors will ensure demand for drivers for years to come.

NASHVILLE, Tenn. — Futurist Nikolas Badminton explored June 2 how the trucking industry could change in the years ahead and what that means when it comes to driver recruitment.

DETROIT — Ford will add 6,200 factory jobs in Michigan, Missouri and Ohio as it prepares to build more electric vehicles and roll out two redesigned combustion-engine models.

Truck maker Paccar Inc. sees the traditional peak-to-peak cycle in the U.S. truck market smoothing amid the industry’s already strong orders backlog that has fleets still waiting to gain slots for 2023 to replace aging trucks that they have to run longer than usual.

Daimler Truck Holding AG sees promising signs of moving past the prolonged chip shortage that has beset manufacturers globally, the head of the company’s Mercedes truck brand said.

With billions of dollars in new congressional funding available for transportation regulatory agencies to spend on safety initiatives, several high-level federal officials said leaders must take a hard look at how that money is being spent, and whether there are opportunities to take new approaches to improve highway safety.