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REMINGTON, Va. — For years, there’s been a cardinal rule for flying civilian drones: Keep them within your line of sight. Not just because it’s a good idea — it’s also the law.

If Aurora and other self-driving startups can convince customers and the public that large trucks can be automated safely, the potential efficiency gains are massive.

Automation at the Long Beach Container Terminal and the Port of Los Angeles’ TraPac terminal has eliminated 535,848 hours and $41.8 million in wages annually for dockworkers, even as production at ports that are automated is typically lower than at those that aren’t, according to a new study.

Tesla Inc. laid off hundreds of workers on its Autopilot team as the electric vehicle maker shuttered a California facility, according to people familiar with the matter.

J.B. Hunt Transport Services Inc. and Waymo added the home goods company Wayfair to its autonomous trucking program, the companies announced June 28.

Contemporary Amperex Technology Co. Ltd. unveiled an electric car battery it said has a range of over 620 miles (1,000 kilometers) on a single charge and is 13% more powerful than one planned by Tesla Inc., a major customer.

Electric truck maker Einride AB has received approvals to test its driverless vehicle on public roads in the U.S., paving the way for the company to conduct a pilot with partner GE Appliances.

The National Highway Traffic Safety Administration, for the first time, collected and analyzed data on crashes involving vehicles using SAE Level 2 advanced driver assistance systems, and separately, SAE Levels 3-5 automated driving systems.

Elon Musk said Tesla Inc.’s new plants in Germany and Texas are losing “billions of dollars” as the electric vehicle maker tries to ramp up production.