DETROIT—The U.S. government’s highway safety agency is investigating complaints that the automatic emergency braking on big Freightliner semis can stop the trucks unexpectedly for no apparent reason. It’s at least the third recent investigation by the National Highway Traffic Safety Administration (NHTSA) into glitches with the technology, which has the potential to save lives because…

DETROIT—U.S. safety regulators are investigating reports that autonomous robotaxis run by General Motors’ Cruise LLC can stop too quickly or unexpectedly quit moving, potentially stranding passengers. Three rear-end collisions that reportedly took place after Cruise autonomous vehicles braked hard kicked off the probe, according to the National Highway Traffic Safety Administration (NHTSA). At the time,…

San Francisco—The U.S. transport safety regulator said on Thursday that it has launched an investigation into 1,732,000 Honda Motor vehicles over unexpected braking activation. The National Highway Traffic Safety Administration said it has received a total of 278 complaints that allege braking incidents “occurring with nothing obstructing the vehicle’s path of travel.” The 2018–2019 model…

Investigators say a rain-soaked runway and the pilots’ failure to anticipate the poor conditions caused a plane chartered by the Pentagon to slide into a Florida river two years ago. The National Transportation Safety Board said pilots of the Miami Air International plane landed too fast and waited too long to deploy speed-reducing panels as…