CALIFORNIA (REUTERS, BLOOMBERG) - A fatal crash and vehicle fire of a Tesla Inc Model X near Mountain View, California, last week has prompted a federal field investigation, the US National Transportation Safety Board said on Tuesday (March 27), sparking a big selloff in Tesla stock.
Tesla tumbled 8.2 percent, or US$25 a share, to close at US$279.18, the lowest close in almost a year, after news of the investigation.
Tesla said it doesn't yet know what caused the accident because it hasn't been able to retrieve the vehicle's logs.
The company is working with authorities to recover data from the car's computer, it said in a blog post on Tuesday. Tesla didn't disclose whether the driver had engaged Tesla's partially autonomous driving system, known as Autopilot, when the crash occurred.
The National Transportation Safety Board said it will examine the post-crash fire and steps needed to make the vehicle safe to remove from an accident scene, the agency said in a tweet.
Tesla owners have driven the same highway stretch with Autopilot engaged about 85,000 times since the system was introduced, and no accidents have been reported that the company is aware of, the carmaker said.
Late on Tuesday, Moody's Investors Service downgraded Tesla's credit rating to B3 from B2. Moody's said the ratings "reflect the significant shortfall in the production rate of the company's Model 3 electric vehicle."
It also "faces liquidity pressures due to its large negative free cash flow and the pending maturities of convertible bonds." Tesla shares fell another 2.6 percent in after-hours trading.
Tesla has US$230 million (S$300 million) in convertible bonds maturing in November 2018 and $920 million in March 2019.
Moody's said its negative outlook for Tesla "reflects the likelihood that Tesla will have to undertake a large, near-term capital raise in order to refund maturing obligations and avoid a liquidity shortfall."
Moody's said Tesla is targeting weekly production of 2,500 Model 3 vehicles by the end of March, and 5,000 per week by the end of June, down from the company's year-earlier production expectations of 5,000 per week by the end of 2017 and 10,000 by the end of 2018. Tesla plans to provide an update on Model 3 production next week.
Shares of chipmaker Nvidia Corp, which supplies Uber Technologies Inc, Tesla, Volkswagen AG and other automakers, closed down 7.8 per cent after it disclosed it suspended self-driving tests across the globe.
QUESTIONS ABOUT ACCIDENT
Last week's accident involved two other cars, the NTSB and police said. The 38-year-old Tesla driver died at a nearby hospital shortly after the crash.
"We have been deeply saddened by this accident, and we have offered our full cooperation to the authorities as we work to establish the facts of the incident," Tesla said in a statement.
Government scrutiny of the Palo Alto, California company is mounting. This is the second NTSB field investigation into a Tesla crash since January.
The California Highway Patrol said the electric-powered Tesla Model X crashed into a freeway divider on Friday and then was hit by a Mazda before colliding with an Audi.
The Tesla's lithium batteries caught fire, and emergency officials consulted company engineers before determining how to extinguish the battery fire and move the vehicle safely.
Tesla said its battery packs are designed so that when a fire occurs, it spreads slowly so people have more time to exit the car. "That appears to be what happened here as we understand there were no occupants still in the Model X by the time the fire could have presented a risk," Tesla said.
The collision caused extensive damage partly because a safety barrier meant to reduce the impact into a concrete lane divider had been removed or crushed in a prior accident without being replaced, Tesla said.
In January, the NTSB and US National Highway Traffic Safety Administration sent investigators to California to investigate the crash of a fire truck and a Tesla that apparently was traveling in semi-autonomous mode. The agencies have not disclosed any findings.
The NTSB can make safety recommendations but only NHTSA can order automakers to recall unsafe vehicles or fine automakers if they fail to remedy safety defects in a timely fashion. Before the agency can demand a recall, it must open a formal investigation, a step it has not yet taken.
Tesla's Autopilot allows drivers under certain conditions to take their hands off the wheel for extended periods. Still, Tesla requires users to agree to keep their hands on the wheel"at all times" before they can use Autopilot.
The NTSB faulted Tesla in a prior fatal Autopilot crash.
In September, NTSB Chairman Robert Sumwalt said operational limitations in the Tesla Model S played a major role in a May 2016 crash in Florida that killed a driver using Autopilot. That crash raised questions about the safety of systems that can perform driving tasks for long stretches but cannot completely replace human drivers.
Tesla in September 2016 unveiled improvements to Autopilot, adding new limits on hands-off driving.