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LAS VEGAS — Kenworth Truck Co. and Toyota are collaborating to develop 10 hydrogen-electric tractors for drayage operations in the Los Angeles basin, the companies announced.

Toyota Motor Corp. is expanding an alliance with Uber Technologies Inc. through a new investment and a plan to get self-driving cars on the road, a person familiar with the matter said.

TOKYO — Toyota Motor Corp. logged a better than expected performance in the last quarter, reporting Aug. 3 that its quarterly profit jumped 7.2% to a record 657.3 billion yen ($5.9 billion), thanks to strong sales in the United States and other overseas markets.

Toyota announced plans May 3 to build its own autonomous vehicle testing site within the Michigan Technical Resource Park, a privately operated automotive proving grounds.

SONOMA, Calif. — Equipment manufacturers showcased new fuel-efficient Class 8 tractor technology here during Shell’s “Make the Future” event at the Sonoma Raceway on April 20.

When a woman crossing an Arizona street was struck and killed by a self-driving Uber car late last month, it sparked a swift public reckoning over the near-term future of autonomous vehicle testing on public roads.

Toyota Motor Corp. has halted tests of its “Chauffeur” autonomous driving system on U.S. public roads after a Uber Technologies Inc. vehicle operating in autonomous mode under the supervision of a human safety driver struck and killed a woman in Tempe, Arizona, on March 18.

Ride-hailing company Uber is in talks to start selling its self-driving technology to Toyota Motor, Japanese media reported March 16.

Toyota Motor Corp. plans to spend $2.8 billion to make sure its system for writing the software for self-driving cars will be just as efficient as the factories that build them.

As automakers spend billions to rack up autonomous miles and map city streets, Toyota Motor Corp. and BMW AG are also betting on a startup with a more modest approach.