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Rumor: New Tesla Semi test units being built at Gigafactory Nevada

Credit: /Graham Carroll

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Recent rumors from the electric vehicle community have suggested that four new Tesla Semi units are being built at Gigafactory Nevada. The vehicles, which are reportedly equipped with 2170 “L” battery cells, would be utilized for road, durability, and cold-weather testing. 

The update on Tesla’s apparent Semi initiatives was shared recently by electric vehicle advocate @Carsonight, who has proven familiar with Gigafactory Nevada’s activities. Citing an unnamed source, the EV advocate noted that the new Tesla Semi units will feature three 2170 L battery packs. Two units will reportedly be used for road testing, one for durability testing, and another will be sent to Alaska for cold-weather testing. 

Quite unsurprisingly, the notion of the new Tesla Semi prototypes using higher density 2170 “L” battery cells incited some strong reactions from the EV community, especially considering that the electric car maker has already announced its shift to 4680 battery cells for its vehicles. The Semi is one of Tesla’s most ambitious projects, after all, and thus, it would make sense for the company to utilize its best battery tech available for the vehicle. 

That being said, Tesla’s tabless 4680 cells are designed to work seamlessly with the company’s structural battery pack. Such a design, which uses the battery as a structural component, may be quite challenging to accomplish in a Class 8 truck like the Semi, at least for now. It should also be noted that Tesla is still producing 2170 cells from Gigafactory Nevada, with the company’s 4680 cells only being manufactured at the Roadrunner facility in Fremont. 

Of course, Tesla is a company known for rolling out improvements to its vehicles as soon as they are available. Even if Tesla does end up releasing the Semi in the near future with 2170 L cells, there is little doubt that the vehicle will be updated with a structural battery pack and 4680 cells. For now, at least, it appears that the Tesla Semi program is moving forward, and the Class 8 truck is moving closer to its release. 

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Simon is an experienced automotive reporter with a passion for electric cars and clean energy. Fascinated by the world envisioned by Elon Musk, he hopes to make it to Mars (at least as a tourist) someday. For stories or tips--or even to just say a simple hello--send a message to his email, simon@teslarati.com or his handle on X, @ResidentSponge.

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Tesla Semi just got a huge vote of confidence from 300-truck fleet

The confidential meeting marks a major step for the mid-sized carrier in evaluating the electric truck for its regional routes.

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Credit: Tesla

The Tesla Semi is moving closer to broader fleet adoption, with Keller Logistics Group wrapping up a key pre-production planning session with the electric vehicle maker’s team this week. 

The confidential meeting marks a major step for the mid-sized carrier in evaluating the electric truck for its regional routes.

Keller’s pre-production Tesla Semi sessions

Keller Logistics Group, a family-owned carrier with over 300 tractors and 1,000 trailers operating in the Midwest and Southeast, completed the session to assess the Tesla Semi’s fit for its operations. The company’s routes typically span 500-600 miles per day, positioning it as an ideal tester for the Semi’s day cab configuration in standard logistics scenarios. 

Details remain under mutual NDA, but the meeting reportedly focused on matching the truck to yard, shuttle and regional applications while scrutinizing economics like infrastructure, maintenance and incentives.

What Keller’s executives are saying

CEO Bryan Keller described the approach as methodical. “For us, staying ahead isn’t a headline, it’s a habit. From electrification and yard automation to digital visibility and warehouse technology, our teams are continually pressure-testing what’s next. The Tesla Semi discussion is one more way we evaluate new tools against our standards for safety, uptime, and customer ROI. We don’t chase trends, we pressure-test what works,” Keller said. 

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Benjamin Pierce, Chief Strategy Officer, echoed these sentiments. “Electrification and next-generation powertrains are part of a much broader transformation. Whether it’s proprietary yard systems like YardLink™, solar and renewable logistics solutions, or real-time vehicle intelligence, Keller’s approach stays the same, test it, prove it, and deploy it only when it strengthens service and total cost for our customers,” Pierce said. 

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Tesla extends FSD Supervised ride-alongs in Europe by three months

Needless to say, it does appear that FSD fever is starting to catch in Europe. 

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Credit: Grok Imagine

Tesla appears to be doubling down on its European Full Self-Driving (Supervised) push, with the company extending its demo ride-along program by three months until the end of March 2026. The update seems to have been implemented due to overwhelming demand. 

Needless to say, it does appear that FSD fever is starting to catch in Europe. 

Extended FSD demonstrations

Tesla EU Policy and Business Development Manager Ivan Komušanac shared on LinkedIn that the company is offering ride-along experiences in Germany, France and Italy while working toward FSD (Supervised) approval in Europe.

He noted that this provides a great feedback opportunity from the general public, encouraging participants to record and share their experiences. For those unable to book in December, Komušanac teased more slots as “Christmas presents.”

Tesla watcher Sawyer Merritt highlighted the extension on X, stating that dates now run from December 1, 2025, to March 31, 2026, in multiple cities including Stuttgart-Weinstadt, Frankfurt and Düsseldorf in Germany. This suggests that the FSD ride-along program in Europe has officially been extended until the end of the first quarter of 2026. 

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Building momentum for European approval

Replies to Merritt’s posts buzzed with excitement, with users like @AuzyMale noting that Cologne and Düsseldorf are already fully booked. This sentiment was echoed by numerous other Tesla enthusiasts on social media. Calls for the program’s expansion to other European territories have also started gaining steam, with some X users suggesting Switzerland and Finland as the next locations for FSD ride-alongs.

Ultimately, the Tesla EU Policy and Business Development Manager’s post aligns with the company’s broader FSD efforts in Europe. As per recent reports, Tesla recently demonstrated FSD’s capabilities for Rome officials. Reporters from media outlets in France and Germany have also published positive reviews of FSD’s capabilities on real-world roads. 

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Tesla’s six-seat extended wheelbase Model Y L sold out for January 2026

Estimated delivery dates for new Tesla Model Y L orders now extend all the way into February 2026.

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Credit: Tesla China

The Tesla Model Y L seems to be in high demand in China, with estimated delivery dates for new orders now extending all the way into February 2026. 

This suggests that the Model Y L has been officially sold out from the rest of 2025 to January 2026. 

Model Y L estimated delivery dates

The Model Y L’s updated delivery dates mark an extension from the vehicle’s previous 4-8 week estimated wait time. A detailed chart shared by Tesla data tracker @Tslachan on X shows the progressions of the Model Y L’s estimated delivery dates since its launch earlier this year. 

Following its launch in September, the vehicle was given an initial October 2025 estimated delivery date. The wait times for the vehicle were continually updated over the years, until the middle of November, when the Model Y L had an estimated delivery date of 4-8 weeks. This remained until now, when Tesla China simply listed February 2026 as the estimated delivery date for new Model Y L orders.

Model Y demand in China

Tesla Model Y demand in China seems to be very healthy, even beyond the Model Y L. New delivery dates show the company has already sold out its allocation of the all-electric crossover for 2025. The Model Y has been the most popular vehicle in the world in both of the last two years, outpacing incredibly popular vehicles like the Toyota RAV4. In China, the EV market is substantially more saturated, with more competitors than in any other market.

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Tesla has been particularly kind to the Chinese market, as it has launched trim levels for the Model Y in the country that are not available anywhere else, such as the Model Y L. Demand has been strong for the Model Y in China, with the vehicle ranking among the country’s top 5 New Energy Vehicles. Interestingly enough, vehicles that beat the Model Y in volume like the BYD Seagull are notably more affordable. Compared to vehicles that are comparably priced, the Model Y remains a strong seller in China. 

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