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Tesla Semi Supercharger stop teases sleeper features and 26-camera system
After being sighted on Des Moines, IA on Thursday, the Tesla Semi has been spotted smoothly gliding through Colorado. The Semi was sighted at the Brush, CO Supercharger, where Tesla’s employees accompanying the truck answered questions about the vehicle while it was charging.
The Tesla Semi sighting was shared by recording engineer Erik J. Martin on Twitter. Martin’s posts, one of which was retweeted by the official Tesla Twitter account, featured the Semi as it was rolling into the Brush Supercharger station. Erik mentioned in a series of posts that he was informed that the prototype is the short-range version of the truck, with a range of 300 miles. The Tesla engineers accompanying the vehicle reportedly noted that the Semi was hand-built and that it was largely made of carbon fiber as well.
— Erik J. Martin (@soundanswer) August 30, 2018
Being the short-range version of the electric truck, the Semi currently making its way across the United States is a daycab vehicle, though Tesla’s employees reportedly informed Martin that there would be a variant of the truck that would have space for sleeper features. Such features would be perfect for the long-range version of the electric truck, with drivers being able to take short naps while the Semi is charging at Tesla’s upcoming Megacharger network.
Also notable were the Semi’s cameras, of which there are 26 around the prototype. Tesla’s employees accompanying the Semi reportedly mentioned that there would likely be fewer cameras in the final iteration of the vehicle. Interestingly, while the Semi’s crew was very willing to address inquiries about the truck’s features, they were particularly secretive about the vehicle’s current charging system.
The Tesla Semi is designed to be supported by the upcoming Megacharger network, which is not operational yet. For now, the Semi is using Tesla’s current Supercharger network, though Erik noted that the engineers appeared to be using around 4-6 Superchargers to charge the all-electric Semi truck.
Yep! It was The closest superchargers. They hobble together an adhoc megacharger until those are built out in preparation for the roll out of production #teslasemi
— Erik J. Martin (@soundanswer) August 31, 2018
Tesla’s engineers also reportedly noted that so far, the only locations that have leaked the truck’s visit to their facilities were J.B. Hunt and UPS. This suggests that the Semi might have visited facilities of other reservation holders. One of these is Ruan Transportation Management Systems, which is based in Des Moines, IA. Ruan published a blog post about the Semi’s visit to their facility yesterday, even discussing some of the truck’s remote monitoring features.
“We will continue to be involved with the team at Tesla Motors as they introduce the trucks to the market,” said Cade. “We will work with them directly to ensure the vehicles will serve us and our customers to the level we both expect,” Ruan vice president of fleet services James Cade wrote in a blog post.
Tesla appears to be going full throttle in its efforts to refine the Semi before the vehicle enters production. The truck’s initial specs are already impressive, with its four Model 3-derived electric motors, its 0-60 mph time of 5 seconds flat, and its Class 8 hauling capacity. The Semi is also equipped with several key features, such as jackknife protection, near-infinite brake pads due to its powerful regenerative braking system, and Convoy Mode, a feature that allows the Semis to semi-autonomously draft in close proximity with each other, reducing energy usage from wind resistance.
Watch Erik J. Martin’s video outlining the information he received from the Tesla engineers accompanying the Semi below.
Tesla launched the slightly larger Model Y L in China last year, and it became a hit in no time. The longer wheelbase, larger interior, and slightly more forgiving legroom area in the Model Y L became a sought-after possibility for U.S. buyers, who have been begging the company for a larger SUV.
Now, Tesla needs it more than ever, especially considering the Model X was discontinued alongside its Model S sibling earlier this year. It looks to be more likely than ever, and based on recent reports, it will fall in line with CEO Elon Musk’s prediction that it would arrive in the United States in late 2026.
Recent reports from Forbes and Not a Tesla App both have indicated Tesla plans to bring the Model Y L to the U.S. this year. The reports cite “credible sources,” and an analyst from AutoForecast Solutions named Sam Fiorani stated that the car would enter production later this year.
Fiorani said:
“China, Australia, and India are supplied by the factory in China, which will not supply vehicles to the U.S. Production of the Model Y L is expected to begin in the U.S. in September, which will lead to sales beginning before the end of 2026.”
Production would take place at Gigafactory Texas.
Additionally, a few Model Y L units have been spotted under wraps in the United States, giving more indication that Tesla plans to bring the vehicle to the U.S. When Tesla is close to launching a vehicle in the U.S., it is not uncommon to see these models with the exact car covers that you see below:
Looks like another Tesla Model Y L was spotted in the U.S.! pic.twitter.com/jhsdkcN5Go
— TESLARATI (@Teslarati) June 26, 2026
It makes sense, especially considering Musk hinted the Model Y L would make it to the U.S. in late 2026, but it was up in the air. The CEO said the advent of self-driving might not warrant a larger SUV coming to the U.S. market specifically.
The problem is, consumers do not want to hear that. They love Tesla’s tech, FSD, and other features, but they need more space for growing families. The Model X is gone, and the most anyone can fit in a Tesla right now is seven people in the seven-seat Model Y. That back row is truly only large enough to fit small children comfortably.
Tesla fans have requested a full-size SUV, and the company has made some hints that it could be in the plans.
The Model Y and Model Y L differ noticeably in size, with the Model Y L being a stretched, six-seat variant designed for great interior room. The Standard Model Y measures approximately 4,790mm in length, 1,982 mm in width with the mirrors folded, 1,624mm in height, and 2,890mm in wheel base.
In contrast, the Model Y L extends to be about 4,969–4,976mm long (roughly 179mm or 7 inches longer), stands 1,668mm tall (+44mm), and features a significantly longer 3,040 mm wheelbase (+150mm), while maintaining the same width.
This elongation primarily benefits rear passenger space and enables a 2+2+2 seating layout with captain’s chairs, though it slightly reduces maximum cargo capacity behind the rearmost seats and adds a bit of overall mass and turning radius. The result is a more spacious family hauler that still shares the core footprint and agile character of the original Model Y.
In a major development that will inevitably strengthen Tesla’s dominant position in the American EV market, Polestar has been effectively banned from selling new vehicles in the United States, starting with the 2027 model year.
The U.S. Department of Commerce denied Polestar authorization under the Connected Vehicle Rule, which prohibits vehicles containing certain connected technologies (Cellular, Wi-Fi, Bluetooth, etc.) linked to China or Russia due to national security risks, including potential data collection on American drivers.
🚨 A Tesla competitor goes down
Polestar will no longer sell new vehicles in the United States starting with the 2027 model year.
The U.S. Department of Commerce denied the brand authorization under the Connected Vehicle Rule, which restricts the sale of cars with software and… pic.twitter.com/TrwnQeoiES
— TESLARATI (@Teslarati) June 25, 2026
Polestar, which is majority-owned by China’s Geely Holding, could not obtain the required exemption despite producing some models domestically.
Polestar confirmed it will sell off any remaining inventory of the Polestar 3 and Polestar 4 models, while continuing service and warranty support for existing customers. No new models or major refreshes will reach U.S. buyers, and the company is pivoting its growth strategy to Europe, where it already generates the vast majority of its sales.
The outcome removes a direct premium EV competitor that had positioned itself as a stylish, performance-oriented alternative to Tesla’s lineup. The Polestar 2 challenged the Model 3, while the Polestar 3 and 4 targeted segments overlapping with the Model Y and upcoming Tesla offerings. Polestar’s U.S. sales had already been sluggish amid intense competition and slower demand, representing just 6 percent of its global volume in the first quarter of 2026.
While Polestar was not on Tesla’s level in the U.S., it still places a dent in the evergrowing field of Tesla competitors in the country, where it has long dominated EV sales.
Tesla faces none of these hurdles. As a U.S.-founded and U.S.-headquartered company with major manufacturing in Fremont, Austin, and Nevada, Tesla’s vehicles are built with compliant domestic and allied supply chains. Its Full Self-Driving technology, over-the-air software updates, and vertically integrated ecosystem were developed entirely in-house without foreign ownership entanglements that trigger national security reviews, at least in the U.S.
Of course, it did face a similar threat in China a few years back:
Elon Musk responds to reports of Tesla ban among China’s military over security concerns
The Connected Vehicle Rule, first advanced under the prior administration and upheld under the current one, is part of a broader U.S. effort to protect the domestic auto industry and critical technology from Chinese influence. High tariffs on Chinese-made EVs and related restrictions have already reshaped the market. Tesla benefits directly: it avoids these barriers while continuing to lead in U.S. EV sales volume, Supercharger network expansion, and energy storage integration.
By clearing Polestar from the new-vehicle playing field, the policy reduces competitive pressure in the premium and performance EV segments where Tesla has invested billions. American consumers seeking cutting-edge electric vehicles now have one fewer option tied to foreign adversaries — and one clearer path to the market leader that has driven the EV transition from the start.
For Tesla, this is more than regulatory relief. It is a strategic tailwind that reinforces its position as America’s premier EV innovator at a time when domestic manufacturing and technological independence matter most.
Tesla Cybercab stands to gain from new rules that the Trump Administration is aiming to enforce on autonomous vehicles. On Thursday, NHTSA, under the Trump Administration’s U.S. Department of Transportation, commenced rulemaking on the Federal Motor Vehicle Safety Standards (FMVSS).
This effort aims to eliminate the mandate for manual brake pedals in vehicles that are designed to be driven exclusively by automated driving systems. This would impact the Tesla Cybercab, which the company has stated would operate without a steering wheel or pedals.
Tesla Cybercab launch is imminent after latest sighting at Giga Texas
The Trump Administration is looking to revise FMVSS No. 135, which requires standard braking systems on light-duty vehicles.
Currently, the regulation requires light-duty cars to use traditional manual braking systems that allow operators to slow the vehicle. With the advent of self-driving in the U.S., these regulations need updating, and these are the changes that could come to FMVSS No. 135:
- Removes requirements for hand- or foot-operated brake controls for vehicles designed never to be operated by a human. Existing rules still apply to AVs that retain manual controls.
- All subject vehicles must still meet the same stopping distance performance criteria via alternative testing procedures.
- While this update ensures AVs can physically stop when commanded, NHTSA is separately developing safety performance requirements for AVs in real-world driving scenarios.
- NHTSA will continue to use its broad defect enforcement authority to investigate unsafe ADS behavior and oversee recalls.
As autonomy becomes a greater part of passenger travel, these types of rule adjustments will be more than reasonable. It will give manufacturers the ability to self-certify their vehicles and avoid any red tape that could ultimately delay the deployment of these vehicles.
Administrators are also incredibly excited about the opportunity to play a role in the advancement of self-driving vehicles.
“We are at the cusp of the greatest technological revolution in vehicle technology since the innovation of the Model T,” NHTSA Administrator Jonathan Morrison said. “If we want America to lead the way, we have to reimagine our regulatory framework. That’s why under Secretary Sean Duffy’s AV Framework, NHTSA is tearing down pointless barriers to innovative designs while strengthening the fundamental safety requirements that matter and holding AV developers accountable for safe performance.”
The Cybercab entered mass production at Gigafactory Texas in April. Tesla ultimately plans to push the vehicle into its Robotaxi fleet, potentially when frameworks like these are established.
Tesla looks keen to bring larger Model Y L to the U.S.
One of Tesla’s biggest threats just got banned in the U.S.
