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Tesla celebrates key milestone for 4680 battery cell production cost

Tesla produces in-house 4680 battery cells at its Gigafactory in Texas, along with getting them from outside suppliers.

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Credit: Tesla | X

Tesla has highlighted an important 4680 battery cell milestone in recent weeks, noting that its Texas manufacturing team for the hardware has scaled production enough to outpace the cost-effectiveness of outside suppliers.

During Tesla’s first-quarter all-hands-on-deck meeting held a few weeks ago, CEO Elon Musk shared a number of recent milestones. One of them, as was also reiterated after the meeting by Michael Guilfoy, Tesla’s Giga Texas Director of Cell Manufacturing, is the fact that the company’s in-house 4680 battery cells have earned their place as the lowest-cost battery cell produced per kWh.

Musk also pointed out during the meeting that the achievement is particularly impressive, given that many of the company’s suppliers dedicate all or most of their businesses to battery cell manufacturing, while Tesla focuses on several other business sectors and still managed to surpass the milestone.

Check out Guilfoy’s full message below, as posted on LinkedIn, or watch Tesla’s Q1 all-hands meeting below that.

Been waiting to acknowledge this great achievement by Tesla’s 4680 Cell Manufacturing team since the end of last year….but as Elon announced last night, our Cell Manufacturing team in Texas reached a huge milestone at the end of 2024 with becoming the lowest cost per kWh battery cell producer for Tesla! The grit, determination, and passion of our team is unbelievable in helping deliver our mission.

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Big thank you to our entire engineering and production teams for making this happen!! It’s the greatest honor of my career to lead this team and make such an impact in our mission to accelerate the world’s transition to sustainable energy.

And we aren’t done yet! 2025 will have more big milestones with fully ramped dry battery electrode manufacturing to deliver even more cost efficiency. Exciting teams continue to be ahead. Cheers to this world-class team!

READ MORE ON TESLA’S 4680 BATTERY CELLS: Tesla working on four dry cathode 4680 battery variants: The Information

Although Tesla also sources its 4680 batteries from multiple other suppliers, including Panasonic and LG Energy Solution, the company has also been working to scale up in-house production of the cells over the past few years. In September, Tesla officially surpassed a milestone of producing 100 million 4680 battery cells, after surpassing 50 million last June, and exceeding 20 million in October 2023.

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Tesla initially unveiled the 4680 battery cell during a 2020 “Battery Day” event, during which it explained the cost and efficiency benefits of the battery size in comparison with the 2170 form factor.

Tesla loses battle to keep 4680 battery tech under wraps

Zach is a renewable energy reporter who has been covering electric vehicles since 2020. He grew up in Fremont, California, and he currently lives in Colorado. His work has appeared in the Chicago Tribune, KRON4 San Francisco, FOX31 Denver, InsideEVs, CleanTechnica, and many other publications. When he isn't covering Tesla or other EV companies, you can find him writing and performing music, drinking a good cup of coffee, or hanging out with his cats, Banks and Freddie. Reach out at zach@teslarati.com, find him on X at @zacharyvisconti, or send us tips at tips@teslarati.com.

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Tesla is already giving Robotaxi privileges hours after opening public app

This morning, Tesla launched the app in the Apple Store, giving iOS users the ability to download and join a waitlist in hopes of gaining access.

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tesla robotaxi app on phone
Credit: Tesla

Tesla is already giving Robotaxi privileges to those who downloaded the app and joined its waitlist just hours after it launched in the United States.

As the Robotaxi platform has been operating in Austin for several months, Tesla is now allowing the general public to download its app and call for a driverless ride in the city.

Tesla Robotaxi makes major expansion with official public app launch

The company previously sent invitations to select media outlets and Tesla influencers, seeking initial feedback on the performance of the Robotaxi platform.

There have been positive reviews, but, as with any Beta program, some mishaps have also occurred, although none have been significant.

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As of the writing of this article, the City of Austin only lists one incident involving a Tesla Robotaxi, noting it as a “Safety Concern,” but not an accident or collision.

This morning, Tesla launched the app in the Apple Store, giving iOS users the ability to download and join a waitlist in hopes of gaining access.

Tesla is already granting Robotaxi access to several of those who have downloaded the app and gotten on the waitlist early:

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With the launch of the public app, we were not too sure how soon Tesla would be able to initiate bringing more riders into the Robotaxi program. The immediate admittance for some riders just hours after the launch is a big positive and is surely a sign of strength for Tesla and its Robotaxi program.

What many will look for moving forward is the expansion of the geofence, which does not seem like a problem, as Tesla has already managed to do this on three occasions. The most recent expansion has expanded the service area to approximately 190 square miles.

People will also look for evidence of fleet expansion, a concern that has been a concern for many, especially since Tesla has not been completely transparent about it. They have revealed a recent service fleet growth of 50 percent, but there has been no specific number of vehicles mentioned.

Tesla reveals it has expanded its Robotaxi fleet in Austin

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Tesla explains why Robotaxis now have safety monitors in the driver’s seat

The update to Austin’s safety monitors became a point of interest among Tesla watchers on social media.

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Credit: Tesla

Tesla has provided an explanation about the presence of safety monitors in the driver’s seat of its autonomous Robotaxi units.

The autonomous ride-hailing service is currently being deployed in Austin and the Bay Area, with more cities across the United States expected to gain access to the service later this year.

Safety Monitors

When Tesla launched its initial Robotaxi program in Austin, the company made headlines for operating vehicles without a human in the driver’s seat. Even with this setup, however, Tesla still had safety monitors in the passenger seat of the Robotaxis. The safety monitors, which do not interact with passengers, have been observed to report issues and other behaviors from the autonomous vehicles in real time. 

Safety monitors on the driver’s seat were also employed in the service’s Bay Area rollout, though numerous members of the EV community speculated that this was likely done to meet regulations in California. However, with the expansion of the Austin geofence, riders in Tesla’s Robotaxis observed that the safety monitors in the city have been moved to the driver’s seat as well.

Tesla’s explanation

The update to Austin’s safety monitors became a point of interest among Tesla watchers on social media. Longtime FSD tester Whole Mars Catalog, for one, speculated that the move might be due to Texas’ new regulations for autonomous vehicles, which took effect recently. Interestingly enough, the official Tesla Robotaxi account on X responded to the FSD tester, providing an explanation behind the safety monitor’s move to the driver’s seat. 

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“Safety monitors are only in the driver’s seat for trips that involve highway driving, as a self-imposed cautious first step toward expanding to highways,” the Tesla Robotaxi account noted.

Tesla has been extremely cautious with its autonomous driving program, particularly with the rollout of its Robotaxi service, which use Unsupervised FSD. This is quite understandable considering the negative media slant that Tesla is consistently subjected to, which could very well result in minute incidents or mistakes by Robotaxis being blown out of proportion.

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The Boring Company begins hiring for Nashville’s Music City Loop

Tennessee Gov. Bill Lee expressed strong support for the project.

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Credit: The Boring Company/X

Elon Musk’s The Boring Company has started recruitment efforts for the Music City Loop, an underground tunnel system designed to link downtown Nashville with Nashville International Airport. 

Tennessee Gov. Bill Lee expressed strong support for the project, describing it as a cost-free alternative to traditional mass transit systems that could ease traffic congestion in the city. Initial digging began in mid-August, with visible progress reported by September 1, as noted in a WKRN report.

Job creation and project scope

The Boring Company is currently seeking engineers, electricians, mechanics, and operations coordinators as part of its hiring drive for the Music City Loop in Nashville. Gov. Lee emphasized that unlike large-scale transit projects that typically cost billions, the tunnel system will not burden taxpayers.

“We’ve been trying to find ways, Metro Nashville has in particular, to develop transit in the city for a long time. It costs billions and billions of dollars to build out transit systems. We now have an opportunity to have a transit system that costs the taxpayers nothing,” Lee said, calling the effort the fast lane to the city’s future.

The Music City Loop aims to provide a quick and efficient link between the city center and the airport, similar to The Boring Company’s other tunnel projects like the Las Vegas Convention Center Loop. Officials have praised the company for cooperating with state permitting and regulatory requirements, suggesting that the Nashville Loop project is advancing in line with established processes.

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Community reactions and concerns

While officials are optimistic, community response has been mixed. Some residents have raised concerns about the speed of approval and a lack of public discussion before construction began.

Nashville resident Taylor John cited environmental impacts and worries that the tunnel could primarily serve tourists rather than local commuters. “I have a lot of concerns, first of all, by how fast this decision was made, I don’t think there was a lot of discussion from the members of the community before this decision was made. It’s going to impact us,” the resident stated.

Others, however, see the project as an innovative leap forward. “There’s a whole untapped potential underneath our feet,” resident Nathaniel Lehrer stated. “Anything that can save time when picking up family or friends or you need to catch a flight, it’d be an awesome option to have.”

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