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EXCLUSIVE: Environmental lawyer tasked with suing Tesla speaks: ‘Win Some, Lose Some’
Since Tesla launched the construction of Giga Berlin, the company’s first European vehicle assembly plant in the State of Brandenburg, nearly every element of the project has been met with pushback and backlash from local citizens and other groups. The necessary removal of trees, the displacement of some species on the once forestry-infested property, groundwater, and a coolant tank have all been subjects of complaints brought to the attention of the California-based automaker.
Thousands of miles and a continent away from its home in Northern California, Tesla has sparred with local environmental groups NABU and the Green League for nearly a year, with lawyer Thorsten Deppner representing the Earth-friendly entities. In an exclusive interview with Teslarati, Deppner told us about his intentions for the lawsuit and what is next to come in a long line of issues that the automaker continues to sift through as production of sustainable passenger vehicles nears at the German plant.
Deppner, casually dressed and inviting me into a Zoom-like chatroom to talk about Tesla, was friendly. Knowing my position as a journalist covering the EV space and Tesla, specifically, Deppner was openly willing to talk about the points of the case that were recently put to rest, which has to do with the coolant tank that sits on the property of Giga Berlin. “Tesla had not filed certain documentation with respect to emergency procedures concerning the storage of a particular coolant. That coolant, if ignited, can produce Hydrogen Fluoride,” Deppner told me. “That was our main concern of this particular case.”
Credit: Twitter | @gigfactory_4
The tank was also the subject of a July 2021 investigation by the State Environment Agency, which was originally reported by Tagesspiegel. According to the report, the tank is reportedly holding the chemical tetrafluoropropene, and Tesla does not have permission to have this on the site. The coolant was not, and still is not present in the tank on site. However, Deppner’s cases were already set in motion when the State Agency decided to launch its investigation.
While somewhat risky for the company applying for the permit, this process is also risky for the citizens. Deppner’s most recent issue dealt with coolant tanks on Giga Berlin’s property, following the lawsuit with sand lizards that he won in December, as he proved Tesla broke German Endangered Species Law. A risk for the people in Deppner’s opinion, Tesla did not have the correct documentation to have the coolant tank on site. Safety regulations were not met, which ultimately could have become a risk to the people, especially if the highly toxic contents of the tank were released.
Many of those who have followed Tesla’s process in Berlin as things continue to progress know that preliminary permits were being issued left and right, giving Tesla permission to erect, construct, and perform nearly any task that it needed concrete authorization to perform. Deppner explained that German environmental law allows for those preliminary permits only if an application is more likely to be ultimately approved than not. Then, the company that filed the application will have the opportunity to begin building what was outlined in the documents, provided that the company is guaranteeing to restore the site to its original state if the application should be denied.
This tank was the subject of the most recent NABU and Green League lawsuit, which the groups and Deppner, their representing attorney, dropped. Deppner and the groups lost the injunction on this case, but it is still being monitored.
Deppner told me throughout the conversation on several occasions that the goal was never to have Tesla Giga Berlin shut down; the complaints and lawsuits were more meant to be “guidance.” The goal was to have Tesla adhere to German environmental law throughout the entire process of building Giga Berlin, a misconception that many people do not realize. “We did not want to have this project shut down; we just want Tesla to follow environmental law,” Deppner added.
Tesla Giga Berlin critic finally drops lawsuit over high costs
This is not to say that these groups don’t exist, the ones who would like nothing more than to shut down Tesla’s German operation and halt the spread of sustainable transportation, but Deppner said he was unwilling to represent those groups, as their funding may have been provided by untrustworthy sources. “I wouldn’t represent people or groups like that, not in the slightest,” Deppner said.
The next steps for Deppner are to continue monitoring the Tesla situation until things are ultimately filed, approved, and completed in Brandenburg. As for the attorney, he likely won’t be driving a Tesla anytime soon, but that is not to say that he doesn’t appreciate what the company is doing. He said that the mission of transitioning the world to sustainable energy and transportation is important, and EVs are undoubtedly a step in the right direction. As for the case, Deppner said, “You win some, you lose some.”
Don’t hesitate to contact us with tips! Email us at tips@teslarati.com, or you can email me directly at joey@teslarati.com.
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Tesla confirms that it finally solved its 4680 battery’s dry cathode process
The suggests the company has finally resolved one of the most challenging aspects of its next-generation battery cells.
Tesla has confirmed that it is now producing both the anode and cathode of its 4680 battery cells using a dry-electrode process, marking a key breakthrough in a technology the company has been working to industrialize for years.
The update, disclosed in Tesla’s Q4 and FY 2025 update letter, suggests the company has finally resolved one of the most challenging aspects of its next-generation battery cells.
Dry cathode 4680 cells
In its Q4 and FY 2025 update letter, Tesla stated that it is now producing 4680 cells whose anode and cathode were produced during the dry electrode process. The confirmation addresses long-standing questions around whether Tesla could bring its dry cathode process into sustained production.
The disclosure was highlighted on X by Bonne Eggleston, Tesla’s Vice President of 4680 batteries, who wrote that “both electrodes use our dry process.”
Tesla first introduced the dry-electrode concept during its Battery Day presentation in 2020, pitching it as a way to simplify production, reduce factory footprint, lower costs, and improve energy density. While Tesla has been producing 4680 cells for some time, the company had previously relied on more conventional approaches for parts of the process, leading to questions about whether a full dry-electrode process could even be achieved.
4680 packs for Model Y
Tesla also revealed in its Q4 and FY 2025 Update Letter that it has begun producing battery packs for certain Model Y vehicles using its in-house 4680 cells. As per Tesla:
“We have begun to produce battery packs for certain Model Ys with our 4680 cells, unlocking an additional vector of supply to help navigate increasingly complex supply chain challenges caused by trade barriers and tariff risks.”
The timing is notable. With Tesla preparing to wind down Model S and Model X production, the Model Y and Model 3 are expected to account for an even larger share of the company’s vehicle output. Ensuring that the Model Y can be equipped with domestically produced 4680 battery packs gives Tesla greater flexibility to maintain production volumes in the United States, even as global battery supply chains face increasing complexity.
Elon Musk
Tesla Giga Texas to feature massive Optimus V4 production line
This suggests that while the first Optimus line will be set up in the Fremont Factory, the real ramp of Optimus’ production will happen in Giga Texas.
Tesla will build Optimus 4 in Giga Texas, and its production line will be massive. This was, at least, as per recent comments by CEO Elon Musk on social media platform X.
Optimus 4 production
In response to a post on X which expressed surprise that Optimus will be produced in California, Musk stated that “Optimus 4 will be built in Texas at much higher volume.” This suggests that while the first Optimus line will be set up in the Fremont Factory, and while the line itself will be capable of producing 1 million humanoid robots per year, the real ramp of Optimus’ production will happen in Giga Texas.
This was not the first time that Elon Musk shared his plans for Optimus’ production at Gigafactory Texas. During the 2025 Annual Shareholder Meeting, he stated that Giga Texas’ Optimus line will produce 10 million units of the humanoid robot per year. He did not, however, state at the time that Giga Texas would produce Optimus V4.
“So we’re going to launch on the fastest production ramp of any product of any large complex manufactured product ever, starting with building a one-million-unit production line in Fremont. And that’s Line one. And then a ten million unit per year production line here,” Musk stated.
How big Optimus could become
During Tesla’s Q4 and FY 2025 earnings call, Musk offered additional context on the potential of Optimus. While he stated that the ramp of Optimus’ production will be deliberate at first, the humanoid robot itself will have the potential to change the world.
“Optimus really will be a general-purpose robot that can learn by observing human behavior. You can demonstrate a task or verbally describe a task or show it a task. Even show it a video, it will be able to do that task. It’s going to be a very capable robot. I think long-term Optimus will have a very significant impact on the US GDP.
“It will actually move the needle on US GDP significantly. In conclusion, there are still many who doubt our ambitions for creating amazing abundance. We are confident it can be done, and we are making the right moves technologically to ensure that it does. Tesla, Inc. has never been a company to shy away from solving the hardest problems,” Musk stated.
Elon Musk
Rumored SpaceX-xAI merger gets apparent confirmation from Elon Musk
The comment follows reports that the rocket maker is weighing a transaction that could further consolidate Musk’s space and AI ventures.
Elon Musk appeared to confirm reports that SpaceX is exploring a potential merger with artificial intelligence startup xAI by responding positively to a post about the reported transaction on X.
Musk’s comment follows reports that the rocket maker is weighing a transaction that could further consolidate his space and AI ventures.
SpaceX xAI merger
As per a recent Reuters report, SpaceX has held discussions about merging with xAI, with the proposed structure potentially involving an exchange of xAI shares for SpaceX stock. The value, structure, and timing of any deal have not been finalized, and no agreement has been signed.
Musk appeared to acknowledge the report in a brief reply on X, responding “Yeah” to a post that described SpaceX as a future “Dyson Swarm company.” The comment references a Dyson Swarm, a sci-fi megastructure concept that consists of a massive network of satellites or structures that orbit a celestial body to harness its energy.
Reuters noted that two entities were formed in Nevada on January 21 to facilitate a potential transaction for the possible SpaceX-xAI merger. The discussions remain ongoing, and a transaction is not yet guaranteed, however.
AI and space infrastructure
A potential merger with xAI would align with Musk’s stated strategy of integrating artificial intelligence development with space-based systems. Musk has previously said that space-based infrastructure could support large-scale computing by leveraging continuous solar energy, an approach he has framed as economically scalable over time.
xAI already has operational ties to Musk’s other companies. The startup develops Grok, a large language model that holds a U.S. Department of Defense contract valued at up to $200 million. AI also plays a central role in SpaceX’s Starlink and Starshield satellite programs, which rely on automation and machine learning for network management and national security applications.
Musk has previously consolidated his businesses through share-based transactions, including Tesla’s acquisition of SolarCity in 2016 and xAI’s acquisition of X last year. Bloomberg has also claimed that Musk is considering a merger between SpaceX and Tesla in the future.
Tesla confirms that it finally solved its 4680 battery’s dry cathode process
Tesla Giga Texas to feature massive Optimus V4 production line
