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Nikola Motors loses founder Trevor Milton amid SEC and DOJ probe
It appears that Nikola is facing a very steep hill ahead, with reports indicating that founder Trevor Milton has departed from the company, effective immediately. The update was reported by esteemed semi-truck-focused publication Freightwaves, which cited sources close to the embattled hydrogen fuel cell truck maker.
Amidst his departure from Nikola, Trevor Milton will also be resigning as Executive Chairman. He will remain as one of the company’s largest shareholders, though he would reportedly not have any say about how Nikola will be managed moving forward. The publication’s sources noted that the decision to resign and leave was Milton’s, and it was done to protect Nikola and his investment.
“Nikola is truly in my blood and always will be, and the focus should be on the Company and its world-changing mission, not me. So I made the difficult decision to approach the Board and volunteer to step aside as Executive Chairman. Founding Nikola and growing it into a company that will change transportation for the better and help protect our world’s climate has been an incredible honor,” Milton noted in a press release.
To date, it is estimated that Milton owns about 82 million shares of Nikola. That translates to about 20% of the hydrogen fuel cell truck maker, or about $2.8 billion.
With Milton stepping down, Stephen Girsky, former Vice Chairman of General Motors Co. and a member of Nikola’s Board, has been appointed Chairman of the Board, effective immediately. Milton noted in the company’s press release that he is confident Girsky is the right person to lead Nikola as the company moves forward. He also remained optimistic about Nikola’s leadership, which he believes could allow the company to reach its full potential.
“As we move forward, I am confident Steve is the right leader to guide our vision at the Board level. In addition to being an early believer and supporter of Nikola, Steve has more than 30 years of experience working with OEM leaders, suppliers, dealers, labor leaders and national policy makers, and has served as a director of numerous public companies.”
“We’ve built a deep bench of talent over the years, and I am confident that Nikola’s Chief Executive Officer, Mark Russell, supported by Chief Financial Officer, Kim Brady, and the rest of the leadership team will advance our goal of making Nikola the global leader in zero-emissions transportation. I want to thank all of Nikola’s employees, investors and partners who have shared in my vision and rallied behind Nikola during this time,” Milton noted.
Girsky, for his part, has expressed his excitement for his new appointment. “I want to thank Trevor for his visionary leadership and significant contributions to Nikola since its founding. Trevor saw the possibility of creating an end-to-end zero-emission transportation system when the industry was still in its nascent stages and took action to build the Nikola of today, with world-class partnerships, groundbreaking R&D, and a revolutionary business model. I know I speak for everyone at Nikola in our gratitude and in wishing him all the best,” he said.
Milton’s departure marks yet another remarkable development in the Nikola saga, which has gone on a full roller coaster ride in recent weeks. Following a blockbuster announcement of a manufacturing deal with GM for its Badger pickup, Nikola was shaken by a report from short-seller firm Hindenburg Research, which alleged that Milton and the company had a history of misleading investors and the public.
Among the key allegations from Hindenburg stated that Nikola has misrepresented the progress it has made with its technologies and vehicle projects. Nikola and Milton later posted a response to the firm’s accusations, though the release only addressed a fraction of Hindenburg’s allegations. Together with its response, Nikola also contacted the SEC, stating that it welcomes the regulator’s involvement. A later report from The Wall Street Journal indicated that the SEC review into the company was in its early stages, and that the US Justice Department has joined the investigation into Nikola.
Nikola has garnered a reputation for being polarizing. While the company is lauded by its supporters for its grand vision of a zero-emissions future dominated by hydrogen-powered long-haulers, critics have argued that Milton’s claims about Nikola’s vehicles were not realistic. The former Nikola executive’s active presence on Twitter further added to the company’s skirmishes with its outspoken critics.
While Milton’s departure will likely be a blow to Nikola, the company appears to have legitimate projects currently underway. Amidst the controversy surrounding the Hindenburg report, for example, GM Chief Executive Mary Barra stated that the veteran American automaker remains committed to the Nikola deal. With this in mind, the release of the Badger may still happen, though it would be interesting to see how Nikola moves on without its founder. “Our company has worked with a lot of different partners. We’re a very capable team that has done the appropriate diligence,” she said.
Read Nikola’s full press release about Trevor Milton’s departure here.
Tesla AI lead Ashok Elluswamy said this week that 24-hour Robotaxi service is close. Replying on X to a rider who wanted Cybercab trips all night, he wrote that the capability would arrive “next month or so” once “the next tech to merge on the v15 plan” is ready.
The comment landed on September 4, one day after Tesla opened public Cybercab rides in Austin. It is the clearest near-term timeline yet for overnight unsupervised operation. Tesla’s paid Robotaxi network currently runs from 6 a.m. to 10 p.m. seven days a week across Austin, Dallas, Houston, Miami, Orlando, and Tampa.
next month or so. the next tech to merge on the v15 plan will enable it.
— Ashok Elluswamy (@aelluswamy) September 4, 2026
That 16-hour window is shorter than the 6 a.m. to 2 a.m. schedule the company used for much of the prior year.
Elluswamy did not name the specific feature or say whether the change would apply first to purpose-built Cybercabs, the existing Model Y fleet, or both. He also offered no city-by-city rollout list. The link to Full Self-Driving v15 is nevertheless significant.
Tesla has described v15 as a step-change architecture with seven parallel improvement tracks and roughly ten times more parameters than earlier builds. Early versions of that software already operate on the Robotaxi fleet and contain about 40 percent of the planned gains.
By July 2026, the unsupervised fleet had logged more than 380,000 miles across six cities in two states with what the company called an impeccable safety record and no notable incidents caused by the vehicles themselves. Tesla has repeatedly argued that camera-based end-to-end neural networks, rather than extra sensors, are the core of the solution.
Overnight service would test that claim in lower-light conditions and would also raise vehicle utilization, a key variable for Robotaxi unit economics. The company has already begun using public Superchargers at night and is building dedicated Robotaxi charging sites.
Riders have asked why software must change if the cars already drive in the dark. The practical answer appears to be reliability and scale: Tesla has held back mass expansion until more of the v15 stack is merged, citing the need for higher confidence before putting thousands of unoccupied vehicles on streets around the clock.
If the next module arrives on the timetable Elluswamy sketched, 24-hour service could begin in October 2026 in at least some markets.
That would mark a shift from a daytime-bounded pilot to a service that can run whenever demand exists, including the late-night hours that have so far remained out of reach.
Tesla is beginning to roll out Full Self-Driving Supervised v14.3.9 with a new active safety layer that can take control even when the driver is operating the car manually.
Tesla AI said the software can activate FSD on the driver’s behalf when an imminent collision is detected and Automatic Emergency Braking may not be enough. It may also engage if the system detects heavy distraction or an accidental FSD disengagement.
FSD Supervised v14.3.9 starting to roll out shortly
This release includes a new active safety feature set: FSD Supervised can now activate on your behalf when an imminent collision is detected and Automatic Emergency Braking (AEB) may not be enough.
It may also engage if we…
— Tesla AI (@Tesla_AI) September 4, 2026
The capability is essentially Automatic Collision Evasion. However, unlike conventional AEB, which mainly applies the brakes in a straight line, this feature can use steering, braking, and acceleration together if the car calculates that stopping alone will not prevent impact and a safer path exists. The system may change lanes or move toward a shoulder when conditions allow, then continue driving after the immediate threat is handled rather than simply coming to a stop.
The intervention is meant as a last-resort safety net, not a replacement for attentive driving.
Tesla Full Self-Driving v14.3.7 early review: FSD saved me from an accident
Tesla’s own description still frames FSD as supervised assistance. Secondary reports on internal release notes say the feature can fire while the car is being driven manually if cabin-camera monitoring suggests the driver is not sufficiently attentive, such as reaching toward the back seat, or if FSD appears to have been turned off unintentionally.
After the emergency maneuver, the car is expected to alert the driver and request a return to manual control.
The safety case is straightforward. Many collisions happen in the last second because a driver is looking away, fumbles a control, or faces an obstacle that braking cannot fully solve. A system that can both recognize that AEB is insufficient and execute a coordinated evasive path can reduce those remaining high-severity events.
Re-engaging after accidental disengagement also addresses a practical failure mode: a small steering nudge that drops FSD at the worst moment. The advantage is a background safety net that uses the same vision stack already running in v14, instead of leaving the car solely to emergency braking once the driver is no longer in command.
The feature still depends on FSD being enabled and, according to reports, an active FSD purchase or subscription. It does not make the vehicle unsupervised. Drivers remain responsible, and Tesla has not published how often the system is expected to intervene or how it will handle false positives.
If the rollout is conservative and the false-alarm rate stays low, the update is a meaningful step: FSD is no longer only a feature the driver turns on. In the rare moments when disaster is already forming, it can step in.
Tesla launched the all-electric, steering wheel-less, and pedal-less Cybercab last night at a quiet and small event in downtown Austin, Texas.
The launch, which marked the beginning of unsupervised ride-hailing for Tesla’s Robotaxi platform with Cybercab, has already caught the attention of the National Highway Traffic Safety Administration (NHTSA) who has more questions.
NHTSA opened an Audit Query (AQ) into the Cybercab’s Federal Motor Vehicle Safety Standards (FMVSS) certification that Tesla gave the vehicle. Manufacturers self-certify vehicles much of the time to avoid excessive regulatory delays.
Tesla Cybercab interior, note the lack of steering wheel and pedals. (Credit: @niccruzpatane/X< /a>)
However, the agency needs more information; it said in a summary:
“On September 3, 2026, Tesla began commercial deployment with a small number of its Cybercab vehicles in Austin, Texas. Tesla notified the Agency that it certified those Cybercab vehicles as compliant with all applicable Federal Motor Vehicle Safety Standards (FMVSS). Tesla also notified the Agency that it plans to gradually expand commercial deployment of the Cybercab to include additional vehicles and locations.”
It also went on to state that the Cybercab lacks traditional automotive controls, which is a groundbreaking move. The process is entirely new to the NHTSA, which gives the agency some leverage to put Tesla’s launch under a microscope:
“The vehicles lack permanently attached, conventional manual controls, such as a brake pedal, gas pedal, steering wheel, and mirrors. NHTSA is opening this AQ to examine the process and technical data on which Tesla relied when certifying the Cybercab and related issues. Among other things, NHTSA will consider the extent to which Tesla’s certification depended on determinations that certain FMVSS are inapplicable to the Cybercab.”
Tesla has added 45 Cybercab units to its fleet of Robotaxi-enabled cars in Austin, according to public documents the company submitted to the State of Texas over the past week. Enabling this level of self-driving is something Tesla has worked toward for many years, and now that it is finally here, it seems more than reasonable that regulatory agencies will have some questions.
Many outlets might try to frame this as a negative, but it is truly an agency looking to gain more information about groundbreaking tech that Tesla has been developing for years.
In an effort to keep riders, pedestrians, and property safe, any and all data accumulated from these first days, weeks, and months of rides will likely be shared with the NHTSA to enable broader rollout strategies across the United States and more in the future.
Tesla Robotaxi will be a 24/7 service: here’s when
Tesla Full Self-Driving will now overtake manual driving to avoid disaster
