https://www.theregister.co.uk/2018/03/28/tesla_crash_investigation_share_price_dip/ >Investigators are looking into the cause of a fatal Tesla Model S crash and subsequent fire in California, the American National Transportation Safety Board (NTSB) has reportedly said. >The agency told Reuters that it had opened an investigation into the crash, which took place last week. Local reports indicated that the road was closed for six hours after the crash because the local fire brigade was unsure if the car’s battery would explode.