More details revealed about the opening of Superchargers to non-Teslas in the US

By Jorge Aguirre
Tesla is preparing to launch non-Tesla Supercharger use in the US
Tesla is preparing to launch non-Tesla Supercharger use in the US
@SawyerMerritt/Twitter

If you’ve bought an electric car, you know by now how frustrating it can be to find somewhere to fast-charge it. That’s why Tesla initially rolled out its Supercharger network of high-voltage chargers, and now they seem to be getting ready to allow other US electric vehicles to take advantage of the widely available network.

Although there haven't been many specifics on how the company would do this in the US, Tesla has made it clear that its intention is to make the global network of high-voltage Level 3 charging stations available to non-Tesla EV owners, and it has been running test programs abroad for several months now. According to Twitter user Sawyer Merritt, on the evening of August 16, 2022, Tesla offered a brief glimpse into how the program would work, by temporarily providing non-Tesla owners with membership options on the Tesla App.

It’s unclear whether the company made a mistake by briefly providing access to the program or they were just trying it out, but the membership options remained available through the app from around 9:30 PM to just before midnight, according to Merritt.

It seems like Tesla will be making a "pay per use" option and a membership advertised at just $0.99 per month available to non-Tesla EV owners. Merritt said that each account requires a separate subscription, and there is a daily charge cap of five sessions.

Merritt highlighted the cheap $0.99 monthly membership charge, especially when compared to the $4 per month that Electrify America charges, suggesting that Tesla's price of about $1 may be an effort to undercut its competitors.

We know Tesla is getting ready to launch the network in North America by creating a new CCS adaptor for non-Tesla EV owners after launching the network in Europe, where Superchargers use the industry-standard CCS plug. Although recently there has been a push by Aptera for Tesla's connector to become the charging standard.

The shift, which is anticipated to take place before the end of the year, is necessary in order to access additional federal funds intended to hasten the development of EV charging stations.As electric cars become increasingly popular, a higher priority will be placed on making sure drivers have easy access to charging stations for their cars. Tesla has a dominant market share in the electric car space, so it makes sense that they’d offer up the Supercharger network as a service to drivers of other electric vehicles.

This decision won't be without criticism, though, as the network is one of the biggest benefits of owning a Tesla and is significantly larger than any other fast-charging network in the US. However, the network can get congested at times, and it's unclear what will happen if more EVs are added to it.

Tesla is expected to upgrade Superchargers to include the CCS connector in addition to Tesla's proprietary connector.

Tesla's upcoming Supercharger redesign is also expected to be out later this year.

A Look at the Tesla Cybertruck’s Crumple Zones [VIDEO]

By Karan Singh
Not a Tesla App

Tesla’s Cybertruck has officially earned a 5-Star Safety Rating from the NHTSA—an impressive achievement given the vehicle’s design. The achievement demonstrates Tesla’s engineering prowess. As one engineer points out, it wasn’t an easy feat.

Interestingly, the NHTSA only recently disclosed the results, despite the crash tests being completed a while ago. According to Lars Moravy, Tesla’s VP of Vehicle Engineering, the team had been aware of the 5-star rating for quite some time. While the reason for the delay remains unclear, now that the results are public, Tesla’s engineers can finally share how they achieved the rating.

Crumple Zones

Wes Morril, the Cybertruck’s Lead Engineer, wrote about the crash test video on X recently, addressing the claims that the Cybertruck doesn’t have a crumple zone. He also posted a side-by-side video (below) of the engineering analysis and the crash test itself.

Engineered Crash Safety

There’s a lot of engineering precision at play when a Cybertruck is involved in a crash. Unlike traditional crash structures that rely on crash cans and collapse points, the Cybertruck’s front gigacasting is designed to absorb and redirect impact forces in a highly controlled manner.

It all starts with the bumper beam, which crushes within the first few milliseconds of a high-speed impact. At the same time, the vehicle’s sensors rapidly analyze the crash dynamics and determine the optimal deployment of safety restraints, including airbags and seat belt pre-tensioners. These split-second actions are crucial in keeping occupants safe.

As the crash progresses, the vehicle’s structure deforms in a carefully engineered sequence. The drive unit cradle bends, directing the solid drive unit downward and out of the way, allowing the gigacasting to begin absorbing impact forces.

The casting crushes cell by cell, methodically dissipating energy in a controlled manner. This gradual deceleration reduces the g-forces transferred to occupants, making the crash much less severe. As the gigacast begins crushing, the safety restraints are deployed.

As Wes points out in his post - you can see how accurate the virtual analysis and modeling were. The video shows the simulated crash side by side with the real-life crash test and they’re almost identical. All that virtual testing helps provide feedback into the loop to design a better and safer system - one that is uniquely different than any other vehicle on the road.

Tesla Eliminates Front Casting on New Model Y; Improves Rear Casting

By Not a Tesla App Staff
Not a Tesla App

Tesla has pioneered the use of single-piece castings for the front and rear sections of their vehicles, thanks to its innovative Gigapress process. Many automakers are now following suit, as this approach allows the crash structure to be integrated directly into the casting.

This makes the castings not only safer but also easier to manufacture in a single step, reducing costs and improving repairability. For example, replacing the entire rear frame of a Cybertruck is estimated to cost under $10,000 USD, with most of the expense coming from labor, according to estimates shared on X after high-speed rear collisions.

These insights come from Sandy Munro’s interview (posted below) with Lars Moravy, Tesla’s VP of Vehicle Engineering, highlighting how these advancements contribute to the improvements in Tesla’s latest vehicles, including the New Model Y.

However, with the new Model Y, Tesla has decided to go a different route and eliminated the front gigacast.

No Front Casting

Tesla’s factories aren’t equipped to produce both front and rear castings for the Model Y. Only Giga Texas and Giga Berlin used structural battery packs, but these were quickly phased out due to the underwhelming performance of the first-generation 4680 battery.

Tesla has gone back to building a common body across the globe, increasing part interchangeability and reducing supply chain complexity across the four factories that produce the Model Y. They’ve instead improved and reduced the number of unique parts up front to help simplify assembly and repair.

There is still potential for Tesla to switch back to using a front and rear casting - especially with their innovative unboxed assembly method. However, that will also require Tesla to begin using a structural battery pack again, which could potentially happen in the future with new battery technology.

Rear Casting Improvements

The rear casting has been completely redesigned, shedding 7 kg (15.4 lbs) and cutting machining time in half. Originally weighing around 67 kg (147 lbs), the new casting is now approximately 60 kg (132 lbs).

This 15% weight reduction improves both vehicle dynamics and range while also increasing the rear structure’s stiffness, reducing body flex during maneuvers.

Tesla leveraged its in-house fluid dynamics software to optimize the design, resulting in castings that resemble organic structures in some areas and flowing river patterns in others. Additionally, manufacturing efficiency has dramatically improved—the casting process, which originally took 180 seconds per part, has been reduced to just 75 seconds, a nearly 60% time reduction per unit.

New Casting Methods

Tesla’s new casting method incorporates conformal cooling, which cools the die directly within the gigapress. Tesla has been refining the die-casting machines and collaborating with manufacturers to improve the gigapress process.

In 2023, Tesla patented a thermal control unit for the casting process. This system uses real-time temperature analysis and precise mixing of metal streams to optimize casting quality. SETI Park, which covers Tesla’s manufacturing patents on X, offers a great series for those interested in learning more.

The new system allows Tesla to control the flow of cooling liquid, precisely directing water to different parts of the die, cooling them at varying rates. This enables faster material flow and quicker cooling, improving both dimensional stability and the speed of removing the part from the press for the next stage.

With these new process improvements, Tesla now rolls out a new Model Y at Giga Berlin, Giga Texas, and Fremont every 43 seconds—an astounding achievement in auto manufacturing. Meanwhile, Giga Shanghai operates two Model Y lines, delivering a completed vehicle every 35 seconds.

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