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Tesla’s ‘Big Green’ Semi truck gets a shoutout from Kimbal Musk
The Tesla Semi recently got a shoutout from someone who is part of Elon Musk’s most intimate circle — Kimbal Musk. In a recent post on his Instagram page, Kimbal dubbed the electric long-hauler as a “Big Green” Tesla Semi, referencing his nonprofit organization aimed at building Learning Gardens for schools across the United States.
Quite interestingly, Kimbal Musk’s projects, such as Big Green and Square Roots, could benefit from using the Tesla Semi. Big Green, for one, is involved with building interactive, modular gardens where young American students can learn about real food and healthy eating habits. Considering Kimbal Musk’s goal of building 100,000 Learning Gardens across the US, having an electric truck that can haul materials would be a good idea.
The Tesla Semi is also a perfect match for Kimbal’s Square Roots farming project. Square Roots involves converting old shipping crates into advanced, climate-controlled indoor farms that can yield more than 50 pounds of organic, non-GMO, pesticide-free greens each week. So far, Square Roots is only operating its shipping container-farms in Brooklyn, NY, but it’s not too difficult to see a future where the farming startup’s indoor farms can be transported and set up in other key US cities.
https://www.instagram.com/p/Bj4v7w4Apa6/?taken-by=kimbalmusk
Since being unveiled last November, the Tesla Semi has been sighted numerous times across the United States. Back in March, Elon Musk announced in his social media pages that Tesla would start using the all-electric trucks as transport vehicles to haul battery packs from Gigafactory 1 in Sparks, NV to the Fremont factory in CA. The two Tesla Semi prototypes have also been spotted conducting transport runs between Tesla’s headquarters in Palo Alto, CA and Fremont.
During its unveiling back in November, Elon Musk outlined several of the Semi’s impressive specs. Just like Tesla’s other vehicles, the Semi is capable of quick acceleration, thanks to its four Model 3-derived electric motors that produce instant torque. From a dead stop, the Semi is capable of sprinting from 0-60 mph in just 5 seconds, compared to about 15 seconds on a similar Class 8 diesel truck. With a full 80,000-pound load, the Semi can hit 60 mph in 20 seconds. On average, diesel-powered Class 8 trailers hit highway speeds in about a minute.
The Tesla Semi is capable of climbing 5% grades at a steady 65 mph, unlike diesel trucks that max out at 45 mph on 5% grades. Lastly, thanks to an upcoming network of Megachargers, the Semi will be capable of charging up to 400 miles of range in just 30 minutes.
The interior of the Tesla Semi as spotted during the 2018 Annual Shareholder Meeting. [Credit: TeslaModel11/Reddit]
During Tesla’s Q1 2018 earnings call, both Elon Musk and CTO JB Straubel noted that the production version of the Semi’s long-range variant would likely have almost 600 miles of range per charge. These statements, of course, stand in stark contrast to criticisms from Tesla’s competitors, especially Daimler AG head of trucks Martin Daum, who threw shade at Tesla earlier this year by suggesting that the Semi’s rated specs, if accurate, defy the laws of physics. According to Straubel, much of competitors’ criticisms come from a misunderstanding of Tesla’s battery technology.
“There’s a fundamental misunderstanding, I think, of what the current technology in our existing products can actually do. Maybe that’s just a misunderstanding of the current status of the technology versus others in the industry. If they’re benchmarking sort of the best battery pack they can buy from a supplier, and then mapping that with what the Semi could do, it doesn’t solve,” Straubel said.
While Tesla is not actively pushing sales for the Semi, Straubel noted during the first-quarter earnings call that the all-electric long-hauler has roughly 2,000 reservations to date. Production of the Tesla Semi is expected to begin in 2019.
Tesla has taken another concrete step toward owning its battery supply chain, and it’s doing so with what is perhaps the most important vehicle in its short-but-storied history.
On September 23, Tesla announced that it has officially built the first Cybercab with cathode material produced in-house at the company’s first cathode plant in the U.S., and the first in the U.S. overall.
First Cybercab made using our in-house cathode material – from the first cathode plant in the Americas pic.twitter.com/X95aVXsT9H
— Robotaxi (@robotaxi) September 23, 2026
Active cathode material is the most expensive piece of a lithium-ion battery cell, and it often accounts for more than a third of cell cost. For years, the industry sourced a majority of it from Asia, but Tesla’s decision to make it in the United States bodes well for the Cybercab project. This is the latest chapter in Tesla’s vertical integration strategy, which began in public at Battery Day in 2020.
At the Battery Day Event, Elon Musk said the company would build a North American cathode plant and overhaul the process to cut costs and waste, while also making some of the most powerful and long-lasting cells in the industry.
The Austin facility took years to appear. Tesla filed permits for “Project Cathode” in 2022 on land near Giga Texas. By mid-2022, the building frame was up and Tesla later invested hundreds of millions of dollars as part of a larger expansion of the Giga Texas plant. The company stated it was operating the first large-scale cathode production facility in North America to supplement 4680 cell production.
One month later, that material reached a finished Cybercab.
Made with nickel cathode manufactured locally at Gigafactory Texas! https://t.co/DqMm5fZV3n
— Elon Musk (@elonmusk) September 24, 2026
The timing of this breakthrough is monumental for the Cybercab program. As Tesla officially launched the first Cybercab rides to the public earlier this month, production of the ride-hailing-geared vehicle is moving forward on the planned S-curve that CEO Elon Musk told everyone to expect.
Nevertheless, packs of Cybercab units have been spotted throughout the United States, in an effort to potentially activate the fleet as soon as the company gains regulatory approval in various geographic areas.
On top of that, Tesla owning the cathode step and pairing it with its own in-house lithium from the Gulf Coast refinery shortens the supply chain that once stretched thousands of miles and subjects every pack to fewer external price shocks and geopolitical risks.
Tesla is not yet independent of all of its foreign suppliers, as some precursor metals come from mines and chemical plants. But the first in-house cathode Cybercab shows the company is closing the most expensive and most concentrated gap in its battery production efforts. For a vehicle like Cybercab to operate at a high utilization within the Robotaxi network, that control over cost is so crucial.
It is arguably as important as the software that drives it.
Tesla is set to inaugurate its dedicated Semi factory in Sparks, Nevada, this evening, but drone footage has already started to show who is expected on the handover stage.
Zanegler, a drone operator who regularly documents Tesla Semi operations in Nevada, filmed a row of new-generation Semi units parked outside of the plant with customer branding applied. The liveries visible in the video include companies like PepsiCo, U.S. Foods, Einride, DHL, WattEV, and others that have committed to utilizing Tesla’s Class 8 electric truck in their fleets.
Tesla Semi Pre-Reveal Revealed!
Excited to share this segment of the drone flight one day prior to the Tesla Semi Reveal event.
They have added branding to several Tesla new generation semis.
Including:
Pepsico
US Foods
Einride
LTS
Nevoya
OK Produce
ABF Freight
DHL
WattEV… pic.twitter.com/KoFOg2FouR— Zanegler (@HinrichsZane) September 24, 2026
Several of those company names already sit within Tesla’s public ordering book, including PepsiCo, which has been the program’s primary anchor customer since the first Semi deliveries in December 2022. PepsiCo now runs dozens of Tesla Semi units in daily service, with drivers completing regional routes.
Einride placed a 500-unit order in August, which was, at the time, the largest single Semi commitment. First deployments of their Semi units are planned for this month and will eventually span across California, Texas, New Jersey, Illinois, and Georgia. Meanwhile, IMC Logistics announced a 50-truck California order this week.
Tesla Semi lands the biggest electric truck deal in U.S. history
Other names, like LTS, OK Produce, and HMD, have not been widely confirmed as firm buyers, but their presence on the lot is perhaps the clearest signal that Tesla intends to expand on that list this evening at the event.
Tesla first unveiled the Semi back in 2017 with a 2019 production target.
Limited pilot builds reached PepsiCo in late 2022, and high-volume production began at the new 1.7-million-square-foot plant that sits logically positioned next to Tesla’s Gigafactory Nevada. Tesla Semi program director Dan Priestley has said that Tesla expects to build “many thousands” of Semi units this year, but as with every Tesla release, there have been set expectations of an S-curve ramp.
Outside estimates still put 2026 deliveries in the 5,000-to-15,000 range, but it will ultimately depend on Tesla’s readiness to put those units out, as well as how smoothly production is moving internally.
Tesla’s Semi Rollout event is set to start tonight at the Sparks factory, and it will be livestreamed on X starting at 6 p.m. PDT / 9 p.m. ET.
The Tesla App is now giving owners a better indication of what to expect when visiting a Supercharger site, as it is now sharing Site Maps in the app itself, making the feature no longer exclusively available in the car.
Tesla owners can now preview a Supercharger’s layout and live stall status from their phone thanks to the App’s new software version, v4.61.0. Zooming into a supported Supercharger on the charging map now switches the familiar street view into a site-specific map that shows stall positions, occupied bays, out-of-service posts, and a live count of open Superchargers.
It will even show you which specific Tesla model is charging at each occupied stall.
You can now see Live Site Maps in the latest Tesla app (4.61.0.) pic.twitter.com/JIL8QzR8hu
— Zack (@BLKMDL3) September 18, 2026
This is the same view drivers first saw inside the car with the 2025 Holiday Update, which started as a pilot for Tesla in California and Texas. Those early maps showed layout, nearby amenities, and the status of each operational stall. The feature has spread to most Superchargers in the U.S., but now Tesla wants the feature available through the Smartphone App, which is now rolling out to owners.
The in-vehicle screen maps remain a richer 3D canvas and originally required AMD Ryzen infotainment hardware, which left many Intel-based Model 3 and Model Y owners without the view. The app version removes that hardware barrier, so any owner can now get a preview of their upcoming Supercharger stop on their phone.
Anyone with the updated version of the app can open a Site Map on their phone. The feature has provided some additional peace of mind to anxious travelers and those who might be looking for a place that is less congested for faster charging speeds. It is a meaningful addition to many owners, especially for trips to unfamiliar locations.
You can now pick a Supercharger location that might be more aligned with what you are looking for or need: you can pick a site based on what stalls are open, where ADA stalls sit, how you will pull in, and more, instead of circling a crowded lot after arriving. Owners of older cars now have access to the feature without having to purchase a new vehicle altogether.
Site Mpas will not reserve a stall, nor will it change how Fast Charging works. Tesla does something simpler and more useful by giving owners a dedicated preview of the Supercharger they’re about to charge, turning an unknown parking lot into a place that may seem more familiar thanks to the preview.
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Tesla Cybercab gets initial tie-in to localized, in-house cathode plant
Tesla leaks Semi customers ahead of handover event
