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Tesla gets patent for automatic tire inflation system for the Semi

(Credit: Tesla)

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The United States Patent and Trademark Office issued a Tesla patent, dated February 22, 2022, for a Class 8 truck. According to the abstract, Tesla’s latest patent is for an Automatic Tire Inflation System (ATIS). 

Proper tire inflation pressure is essential when operating a commercial vehicle as it can affect fuel efficiency and increase tire wear. As per the North American Council for Freight Efficiency, a 0.5-1.0% increase in fuel consumption is seen in commercial vehicles with tires underinflated by 10 psi. Ensuring a commercial vehicle has properly inflated tires also decreases the chances of roadside breakdowns related to tire failures.

In the case of the Tesla Semi, fuel is not really an issue, but efficiency is still important. Tesla’s recent patent reveals it is working on an automatic tire inflation system (ATIS), which can overcome one or more causes of tire underinflation in commercial vehicles. Automatic tire inflation systems can monitor tire inflation pressure through a pre-set value and re-inflate tires whenever the vehicle is below the target level. 

The abstract of Tesla’s Automatic Tire Inflation System patent states:

“An Automatic Tire Inflation System (ATIS) for use with a vehicle includes a controller, valves controlled by the controller and, for at least one drive axle having inner bearings and outer bearings, a channel formed in a spindle, first hosing coupling controlled by the controller to the channel formed in the spindle, a channel formed in a hub, a rotary air seal coupling the channel formed in the spindle to the channel formed in the hub, and second hosing coupling the channel formed in the hub to at least one wheel. The rotary air seal may transition from a sealed state that forms a seal between the spindle and the hub to support air flow between the channel formed in the spindle and the channel formed in hub and reside in an unsealed state to negate the seal between the spindle and the hub.”

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While full Tesla Semi production has not yet started, some of the company’s customers are already making active preparations for the all-electric Class 8 truck. In PepsiCo’s case, the food and beverage company has already prepared the first Megacharger stations for its Tesla Semi fleet at its Modesto, California location.

Read Tesla’s ATIS patent below.

Tesla Semi ATIS Patent by Maria Merano on Scribd

The Teslarati team would appreciate hearing from you. If you have any tips, reach out to me at maria@teslarati.com or via Twitter @Writer_01001101.

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Maria--aka "M"-- is an experienced writer and book editor. She's written about several topics including health, tech, and politics. As a book editor, she's worked with authors who write Sci-Fi, Romance, and Dark Fantasy. M loves hearing from TESLARATI readers. If you have any tips or article ideas, contact her at maria@teslarati.com or via X, @Writer_01001101.

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Tesla Model Y leads as weekly registrations in China hit Q3 high

Out of Tesla China’s 15,350 registrations, the Model Y once again accounted for the majority.

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Credit: Tesla China

Tesla recorded 15,350 insurance registrations in China during the week of September 8–14, marking a 7.3% increase compared to the prior week. The figure also represents the highest weekly result so far in the third quarter of 2025.

Model Y still leads demand

Out of the 15,350 registrations, the Model Y once again accounted for the majority. Data shows 9,460 registrations for the standard Model Y, complemented by 1,030 units of the newly launched extended wheelbase, six-seat Model Y L. Tesla also logged 4,860 Model 3 sedans for the week as well, as noted in a CNEV Post report.

The Model Y L, which debuted in late August, registered a modest uptick from the 900 registrations it saw the week before. Volumes remain relatively low, suggesting that the variant will not meaningfully change Tesla’s third-quarter sales trajectory. That being said, Tesla China’s previous comments about the Model Y L’s demand suggest that an uptick in registrations may be coming in the next weeks.

The ramp of the Model Y L will likely be a notable topic among Tesla watchers, as its ramp will still be quite a task despite the vehicle being just a new variant of the all-electric crossover. With this in mind, meaningful numbers of Model Y L registrations may hit their pace in the next quarter instead.

Tesla China’s momentum

As per data from the China Passenger Car Association (CPCA), Tesla’s retail sales in August 2025 totaled 57,152 units. That figure marked a 9.9% decline from August 2024’s 63,456 units, but a significant 40.7% increase from July’s 40,617 deliveries.

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Quarter-to-date, Tesla China’s results show a 34.4% gain compared to the previous quarter but remain down 11% year-over-year. Year-to-date, Tesla is down about 7% in China versus the same period in 2024. With only a couple more weeks before the end of the third quarter, Tesla China’s registrations may help determine whether the company could catch up to its 2024 numbers this year. 

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Tesla Supercharger access has proven to be a challenge for one company

Interestingly, it seems to be the Volkswagen brand specifically that is having issues with compatibility with Tesla Superchargers. Other brands under the VW umbrella, like Audi and Porsche, have already gained access to the charging network.

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Credit: MarcoRP | X

Tesla Supercharger access has proven to be quite the challenge for one company, as it continues to delay the date that it will enable its owners to charge at the most expansive network in the world.

Tesla Superchargers have been opening up to other brands for well over a year, and many car companies that are manufacturing electric vehicles now have access to the vast network that has over 70,000 locations worldwide.

Tesla to launch Supercharger access for VW owners later this year

However, one brand has experienced some issues with what it is calling “technical challenges,” specifically failing to enable cross-compatibility between its vehicles and Tesla Superchargers.

Volkswagen has had to delay its ability to enable customers to charge at Superchargers because there have been some difficulties getting things to run smoothly. A report from PCMag cites a quote from a Volkswagen spokesperson who said there are still plans to deliver this year, but there have been some delays:

“Volkswagen looks forward to making it possible for ID. Buzz and ID.4 vehicle owners to gain access to the Tesla NACS Partner Superchargers. The timeline has been delayed by technical challenges, and we ask for customers’ patience. We still expect to deliver access this year.”

Interestingly, it seems to be the Volkswagen brand specifically that is having issues with compatibility with Tesla Superchargers. Other brands under the VW umbrella, like Audi and Porsche, have already gained access to the charging network.

Volkswagen EV owners will need to use an official VW adapter to access the Tesla Supercharger Network once the issues are resolved. It still plans to launch access to its owners later this year, but its spokesperson did not announce any planned timeline.

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Tesla Giga Berlin makes big move amid strong sales and demand

“We currently have very good sales figures and have therefore revised our production plans for the third and fourth quarters upwards.”

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Credit: Tesla Manufacturing

Tesla is making a big move at its factory in Germany, known as Giga Berlin, as managers at the plant have indicated the company plans to increase its production rate for the remainder of the year.

Giga Berlin is responsible for manufacturing Model Y vehicles for several markets worldwide, including those outside of Europe. It was opened in March 2022, and it recently built its 500,000th Model Y in March and its 100,000th new Model Y just three weeks ago.

Due to some encouraging sales figures in the markets it provides vehicles for, Tesla said it is planning to increase production at the factory for the remainder of the year.

Andrè Thierig, plant manager at Giga Berlin, said to German news outlet DPA on Sunday that market data has encouraged a move to be made regarding the production at the factory:

“We currently have very good sales figures and have therefore revised our production plans for the third and fourth quarters upwards.”

It is interesting to see this kind of narrative from Thierig, especially as data has shown Tesla has struggled in various markets, including Germany, this year.

Sales drops have been reported, but other markets are holding strong, especially those in Northern Europe, such as Norway, where the Model Y saw a nearly 39 percent increase in sales in August compared to the same month the previous year.

Tesla Model Y leads sales rush in Norway in August 2025

Gigafactory Berlin supplies vehicles for other markets, such as Canada, Australia, and New Zealand, which are strategically important to avoid tariffs. It also builds cars for the Middle East.

Thierig reiterated this point during the interview with DPA:

“We supply well over 30 markets and definitely see a positive trend there.”

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