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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.
Elon Musk
Elon Musk handed Grok something no other AI company can get their hands on
Elon Musk says SpaceX will feed engineering data into Grok’s next model, avoiding restricted material.
Elon Musk said Tuesday that SpaceX will feed its internal engineering data into the next major training run for Grok, the AI model now folded into SpaceX following February’s merger. In a post on X, Musk wrote that SpaceX’s “massive corpus of world-class engineering data,” excluding anything restricted under U.S. arms export law, will be added during supplemental training of what he called the “2T run,” a reference to a roughly two trillion parameter model that would nearly double the parameters behind the latest Grok 4.5 that’s rolling out.
SpaceX’s massive corpus of world-class engineering data (excluding material blocked by ITAR) will be added during supplemental training of the 2T run.
This will dramatically improve Grok’s engineering capabilities. https://t.co/BbQEViFByn
— Elon Musk (@elonmusk) July 21, 2026
The excluded material that Musk is referring to would fall under the International Traffic in Arms Regulations (ITAR), which restricts export of technical data tied to defense and space hardware. That likely rules out propulsion specifics for Merlin and Raptor engines along with guidance and control details for SpaceX’s launch vehicles, but leaves manufacturing knowledge, materials science, and Starlink hardware design on the table.
The announcement extends a pattern that has been building since SpaceX’s Nasdaq debut in June, when the company went public with Grok and xAI’s Colossus supercomputer folded into the pitch to investors.
Days after that listing, SpaceX closed its $60 billion all stock acquisition of coding startup Cursor, giving xAI both enterprise software distribution and a stream of real world developer data to train on. Grok 4.5 launched July 8 running partly on that Cursor training data, with Musk describing it as roughly comparable to Anthropic’s Opus 4.7 but faster and cheaper to run.
Feeding SpaceX’s own engineering data into the next AI model follows the same logic Musk has applied across xAI’s sister companies. Tesla supplies real world driving data and manufacturing expertise, X supplies conversational data, and now SpaceX supplies aerospace engineering data built up since 2002.
Musk did not give a release date for the upcoming AI model, referred to elsewhere as Grok 4.6. He has said the two trillion parameter run is in its final training phase and expected to wrap this week.
Tesla has extended its Bay Area ride-hailing service to include pickups and drop-offs at San Francisco International Airport (SFO). The update, shared via the company’s official channels on July 21, allows users in the region to request rides directly to and from one of California’s busiest airports.
The expansion builds on Tesla’s secured limousine permit for SFO operations. Public records show the permit became effective March 20, 2026, and remains active through January 31, 2027. Tesla vehicles operating the service now display authorized limousine permits issued by the City and County of San Francisco.
Our Bay Area rideshare service now goes to SFO ✈️
— Tesla AI (@Tesla_AI) July 21, 2026
Tesla’s ride-hailing program in California relies on Model Y vehicles equipped with Full Self-Driving (Supervised) technology. Human safety drivers remain present in compliance with state regulations, distinguishing the service from fully driverless operations.
The Bay Area geofence covers a broad area spanning north of San Francisco to south of San Jose, offering extensive connectivity across the region.
UPDATE: Elon Musk reveals why Tesla didn’t say ‘Robotaxi’ upon California launch
This SFO addition follows earlier progress at other Bay Area airports. Tesla previously expanded service to San Jose Mineta International Airport (SJC) in late 2025. The company had engaged with SFO, SJC, and Oakland International Airport officials as early as September 2025 to secure necessary approvals for passenger transport.
The service provides a new option for travelers seeking electric, app-based transportation integrated with Tesla’s ecosystem. Rides are booked through Tesla’s dedicated ride-hailing application, which handles matching, routing, and payments. Pricing follows standard ride-hailing models, with potential adjustments based on distance, time, and demand.
Tesla’s California ride-hailing program launched in July 2025 with an initial invite-only rollout in the Bay Area. It started alongside operations in Austin, Texas, marking the company’s second major U.S. market.
The Bay Area remains a primary focus in California, with service centered on high-demand corridors connecting residential, commercial, and now major transportation hubs. This latest airport integration represents a practical step in Tesla’s broader mobility ambitions within the state.
Tesla has officially revealed its 2026 Summer Update, which comes with a variety of crazy new features, including Navigation fixes that owners have been wanting for months.
Tesla routinely releases a larger update with the Spring, Summer, Fall, and Winter updates, where it ships a variety of new features, bug fixes, and other additions to customer cars.
The 2026 Spring Update featured things like “Hey Grok” voice assistance, a redesigned self-driving app, Unreal Engine visual upgrades, and more.
🚨 TESLA’S SUMMER UPDATE FOR 2026 IS HERE:
Featuring:
✅ Self-Driving Stats in Mobile App
✅ Caraoke with Scoring
✅ Automatic Navigation
✅ Preferred Routes
✅ Set Arrival Energy from Mobile App
✅ Send Custom Wraps from Mobile App
✅ Rear Display Lock
✅ Other Improvements
🔌… https://t.co/C9IW3egEhH
— TESLARATI (@Teslarati) July 21, 2026
Tesla’s Summer Release has about ten new features; we’ll show you each and detail them below:
New Grok Voice Commands
“Grok can now make phone calls, search and play music, adjust climate, open the glovebox, and answer questions about your Tesla.”
Self-Driving Stats in Mobile App
“View and share self-driving stats from the mobile app.”
Caraoke With Scoring
“Caraoke now scores your singing while in Park. High scores are saved to your Tesla profile.”
Automatic Navigation
“Automatic Navigation now adapts to your routine.
In addition to Home, Work, and upcoming calendar events, your vehicle can now suggest and route to places you visit regularly – like a school drop-off on the way to work, or the gym on the way home.”
Preferred Routes
“For a more personalized experience, navigation now prioritizes routes that you’ve taken before”
Set Arrival Energy from Mobile App
“Set your desired Arrival Energy from your phone.”
Send Custom Wraps from Mobile App
“Skip the USB drive and upload a custom wrap of your car from the mobile app. Instructions for creating a custom wrap here: https://github.com/teslamotors/custom-wraps.”
Rear Display Lock
“Kids can watch content on the rear screen, but only the front row can control it through the rear screen app.”
Other Improvements
- Find Superchargers by name when searching for a destination
- Add Apple Music songs to queue from search and artist page
- Set your preferred zoom level for the Self-Driving visualization
- Intro animations for new Model 3 and Y
Elon Musk handed Grok something no other AI company can get their hands on
Tesla expands ridesharing service in California to new hotspot
