Mitchell Weston, chief investigator on the Harris County Hearth Marshal’s Workplace, stated that whereas the batteries are “typically secure,” impacts at excessive speeds can lead to “thermal runaway,” which causes an “uncontrolled contact” between completely different supplies within the batteries.
Thermal runaway can result in fires, in addition to “battery reignition,” even after an preliminary hearth is put out, the security board warned in its report. Mitsubishi Electrical warns that “thermal runaway can result in catastrophic outcomes, together with hearth, explosion, sudden system failure, expensive injury to tools, and probably private harm.”
The hearth marshal’s workplace was investigating the fireplace within the crash, a spokeswoman stated. Constable Herman stated his division was working with the federal authorities to research.
He stated that legislation enforcement officers had been in touch with Tesla on Saturday for “steerage on a couple of issues” however declined to debate the character of the conversations.
Tesla, which has disbanded its public relations staff, didn’t reply to a request for remark.
Elon Musk, Tesla’s chief government, earlier on Saturday had promoted a recent safety report from the corporate, writing on Twitter that “Tesla with Autopilot engaged now approaching 10 occasions decrease likelihood of accident than common automobile.”
Tesla, which on its web site calls Autopilot the “way forward for driving,” says the function permits its autos to “steer, speed up and brake routinely inside its lane.” Nevertheless, it warns that “present Autopilot options require lively driver supervision and don’t make the automobile autonomous.”
In 2016, a driver in Florida was killed in a Tesla Mannequin S that was in Autopilot mode and did not brake for a tractor-trailer that made a left flip in entrance of it.