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Major German carmakers are rolling out stylish, sporty electric vehicles in the mold of Tesla's Models S, X and 3. Unlike Tesla, they have roughly a century of experience launching models every few months and can spread development costs across a broad portfolio.

A series of high-profile accidents involving self-driving cars is slowing the mad rush into the autonomous-vehicle business, according to a report issued May 2.

Nikola Corp. has sued rival Tesla Inc. for $2 billion, claiming Tesla infringed on U.S. patents Nikola received on cab design, including wrap windshield, midentry door, fuselage, fender, side cladding, and the overall design of a semi.

A demand from the California DMV of eight companies testing self-driving cars has highlighted a number of areas where the technology falls short of being safe to operate with no human backup.

LONG BEACH, Calif. — Kenworth Truck Co. unveiled for the first time a prototype T680 tractor equipped with a parallel hybrid-electric propulsion system that is part of California’s Hybrid Electric Cargo Transport demonstration project.

On March 18, a robot-driven Volvo operated by Uber hit and killed a pedestrian in Arizona. Advocates for automation maintained that the tragedy shouldn’t detract from the likelihood that driverless technology is eliminating human error and making driving safer.

Advances in tracking technology are enabling fleets to better assess driver performance and fairly reward them for fuel-efficient driving.

Uber Technologies Inc.’s settlement of Waymo’s trade-secrets lawsuit in February left a key piece unresolved: the role played by Anthony Levandowski, the engineer at the center of the alleged theft of critical self-driving technology.

Danish autonomous robot manufacturer Mobile Industrial Robots was acquired by Teradyne Inc. for $148 million in cash, with an additional $124 million paid if several performance milestones are met through 2020.