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The trucks do not have the Full Self-Driving mode available in Tesla cars, but Tesla's website says they come standard "with active safety features that pair with advanced motor and brake controls to deliver traction and stability in all conditions."
According to the Lyon County Sheriff's Office, preliminary statements obtained at the scene suggest the truck driver may have fallen asleep behind the wheel.
The crash is under investigation by the Nevada State Police Highway Patrol, which said additional information may be released next week.