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Tesla Semi’s temporary ‘Megacharger’ system glimpsed in Madonna Inn sighting

[Credit: jerryswhip/Instagram]

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More than a year since unveiling the vehicle, Tesla continues to conduct real-world tests of the Semi across the United States. In its recent sighting, the Semi was spotted while it was charging at the iconic and quirky Madonna Inn, located at San Luis Obispo, CA. This time around, the sighting provided what could very well be the first glimpse at Tesla’s temporary “Megacharger” solution for the Semi test mule.

When Elon Musk unveiled the Tesla Semi, he noted that the vehicle would be supported by a network of “Megachargers,” which are capable of replenishing 400 miles of range in as little as 30 minutes of charging. Unlike the Supercharger Network, which has a power output of roughly 120 kW, speculations are high that Tesla’s Megacharger will see around ten times the power levels. During the vehicle’s unveiling, an image was taken of the long-hauler’s charging port, revealing an 8-pin configuration that’s noticeably larger than the Supercharger ports found on the Model S, X, and 3.

Tesla’s Megacharger Network is yet to be built, though some reservation holders of the long-hauler are already installing dedicated charging stations for the Semi in some of their key facilities. Considering that the Semi test mule is currently conducting real-world tests across the United States, though, Tesla has been utilizing a temporary charging solution for the vehicle using its existing Supercharger Network. That said, the electric car maker has been notably secretive about the Semi prototype’s temporary “Megacharger” system. That is, until recently. 

The Tesla Semi charging at the Madonna Inn Supercharger. [Credit: jerryswhip/Instagram]

During the vehicle’s recent sighting at Madonna Inn, a part of the Semi’s charger was photographed and shared online by auto enthusiast jerryswhip on Instagram. A member of the r/TeslaMotors subreddit who was present at the Semi’s sighting, u/Jace11, further noted that the long-hauler was connected to a hub that was, in turn, linked to three Supercharger stations. This hub seems to be visible in one of the images taken of the vehicle, as a contraption with a red light could be seen in the area beside the Semi’s charging port.

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Following its charging session at the Madonna Inn Supercharger, the Semi headed back into the highway towards San Francisco. Footage taken by Tesla enthusiast Steven M. Conroy showcased the Semi’s impressive speed once more, while capturing the vehicle’s unique, unearthly sound as it accelerated on the freeway. At several points in the video, the now-iconic futuristic whine of the vehicle’s four Model 3-derived electric motors was clearly audible.

The Tesla Semi sighted at the Madonna Inn Supercharger. [Credit: jerryswhip/Instagram]

Being a vehicle designed to compete in the trucking industry, the Semi has the potential to be the most disruptive offering from Tesla. The vehicle, after all, has several features that make it a viable alternative to diesel-powered semi-trailers, from its four Model 3-derived electric motors, its comparable Class 8 hauling capacity, to its superior speed. In true Tesla fashion, the company continues to develop and improve the Semi, with President of Automotive Jerome Guillen stating that the all-electric truck has been given notable improvements since it was unveiled last year. Some of the Semi’s improvements have been teased by Elon Musk earlier this year as well, with the CEO stating that the long-range variant of the vehicle would have closer to 600 miles of range per charge.

The Tesla Semi has attracted a notable amount of support from several high-profile companies, including PepsiCo, JB Hunt, UPS, and FedEx, to name a few. Even foreign companies such as ASKO in Norway and Bee’ah in the Middle East have also placed orders for the electric long-hauler. Tesla is yet to announce where the Semi would be manufactured, though the company is expected to start producing the vehicle sometime in 2019.

Watch the Tesla Semi leave the Madonna Inn Supercharger and accelerate on the highway in the video below.

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Simon is an experienced automotive reporter with a passion for electric cars and clean energy. Fascinated by the world envisioned by Elon Musk, he hopes to make it to Mars (at least as a tourist) someday. For stories or tips--or even to just say a simple hello--send a message to his email, simon@teslarati.com or his handle on X, @ResidentSponge.

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Elon Musk

Elon Musk is now a remote DOGE worker: White House Chief of Staff

The Tesla and SpaceX CEO Elon Musk is no longer working from the West Wing.

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Credit: Elon Musk/X

In a conversation with the New York Post, White House Chief of Staff Susie Wiles stated that Tesla and SpaceX CEO Elon Musk is no longer working from the West Wing.

As per the Chief of Staff, Musk is still working for DOGE—as a remote worker, at least.

Remote Musk

In her conversation with the publication, Wiles stated that she still talks with Musk. And while the CEO is now working remotely, his contributions still have the same net effect. 

“Instead of meeting with him in person, I’m talking to him on the phone, but it’s the same net effect,” Wiles stated, adding that “it really doesn’t matter much” that the CEO “hasn’t been here physically.” She also noted that Musk’s team will not be leaving.

“He’s not out of it altogether. He’s just not physically present as much as he was. The people that are doing this work are here doing good things and paying attention to the details. He’ll be stepping back a little, but he’s certainly not abandoning it. And his people are definitely not,” Wiles stated.

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Back to Tesla

Musk has been a frequent presence in the White House during the Trump administration’s first 100 days in office. But during the Q1 2025 Tesla earnings call, Musk stated that he would be spending substantially less time with DOGE and substantially more time with Tesla. Musk did emphasize, however, that DOGE’s work is extremely valuable and critical.

“I think I’ll continue to spend a day or two per week on government matters for as long as the President would like me to do so and as long as it is useful. But starting next month, I’ll be allocating probably more of my time to Tesla and now that the major work of establishing the Department of Government Efficiency is done,” Musk stated.

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Tariff reprieve might be ‘Tesla-friendly,’ but it’s also an encouragement to others

Tesla stands to benefit from the tariff reprieve, but it has some work cut out for it as well.

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tesla employee
(Photo: Tesla)

After Secretary of Commerce Howard Lutnick made adjustments to the automotive tariff program that was initially announced, many quickly pointed to the reprieve as “Tesla-friendly.”

While that may be the case right now, it was also a nudge of encouragement to other companies, Tesla included, to source parts from the U.S. in an effort to strengthen domestic manufacturing. Many companies are close, and it will only take a handful of improvements to save themselves from tariffs on their cars as well.

Yesterday, Sec. Lutnick confirmed that cars manufactured with at least 85 percent of domestic content will face zero tariffs. Additionally, U.S. automakers would receive credit up to 15 percent of the value of vehicles to offset the cost of imported parts.

Big Tesla win? Sec Lutnick says cars with 85% domestic content will face zero tariffs

“This is ‘finish your cars in America and you win’,” Lutnick said.

Many were quick to point out that only three vehicles currently qualify for this zero-tariff threshold: all three are Teslas.

However, according to Kelley Blue Book’s most recent study that revealed who makes the most American cars, there are a lot of vehicles that are extremely close to also qualifying for these tariff reductions.

Tesla has three vehicles that are within five percent, while Ford, Honda, Jeep, Chevrolet, GMC, and Volkswagen have many within just ten percent of the threshold.

Tesla completely dominates Kogod School’s 2024 Made in America Auto Index

It is within reach for many.

Right now, it is easy to see why some people might think this is a benefit for Tesla and Tesla only.

But it’s not, because Tesla has its Cybertruck, Model S, and Model X just a few percentage points outside of that 85 percent cutoff. They, too, will feel the effects of the broader strategy that the Trump administration is using to prioritize domestic manufacturing and employment. More building in America means more jobs for Americans.

Credit: Tesla

However, other companies that are very close to the 85 percent cutoff are only a few components away from also saving themselves the hassle of the tariffs.

Ford has the following vehicles within just five percent of the 85 percent threshold:

  • Ford Mustang GT automatic (80%)
  • Ford Mustang GT 5.0 (80%)
  • Ford Mustang GT Coupe Premium (80%)

Honda has several within ten percent:

  • Honda Passport All-Wheel-Drive (76.5%)
  • Honda Passport Trailsport (76.5)

Jeep has two cars:

  • Jeep Wrangler Rubicon (76%)
  • Jeep Wrangler Sahara (76%)

Volkswagen has one with the ID.4 AWD 82-kWh (75.5%). GMC has two at 75.5% with the Canyon AT4 Crew Cab 4WD and the Canyon Denali Crew Cab 4WD.

Chevrolet has several:

  • Chevrolet Colorado 2.7-liter (75.5%)
  • Chevrolet Colorado LT Crew Cab 2WD 2.7-liter (75.5%)
  • Chevrolet Colorado Z71 Crew Cab 4WD 2.7-liter (75.5%)

These companies are close to reaching the 85% threshold, but adjustments need to be made to work toward that number.

Anything from seats to fabric to glass can be swapped out for American-made products, making these cars more domestically sourced and thus qualifying them for the zero-tariff boundary.

Frank DuBois of American University said that manufacturers like to see stability in their relationships with suppliers and major trade partners. He said that Trump’s tariff plan could cause “a period of real instability,” but it will only be temporary.

Now is the time to push American manufacturing forward, solidifying a future with more U.S.-made vehicles and creating more domestic jobs. Tesla will also need to scramble to make adjustments to its vehicles that are below 85%.

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Tesla Cybertruck RWD production in full swing at Giga Texas

Videos of several freshly produced Cybertruck LR RWD units were shared on social media platform X.

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Credit: Joe Tegtmeyer/X

It appears that Tesla is indeed ramping the production of the Cybertruck Long Range Rear Wheel Drive (LR RWD), the most affordable variant of the brutalist all-electric pickup truck.

Videos of several freshly produced Cybertruck LR RWD units were shared on social media platform X.

Giga Texas Footage

As per longtime Tesla watcher Joe Tegtmeyer, Giga, Texas, was a hotbed of activity when he conducted his recent drone flyover. Apart from what seemed to be Cybercab castings being gathered in the complex, a good number of Cybertruck LR RWD units could also be seen in the facility’s staging area. The Cybertruck LR RWD units are quite easy to spot since they are not equipped with the motorized tonneau cover that is standard on the Cybertruck AWD and Cyberbeast.

The presence of the Cybertruck LR RWD units in Giga Texas’ staging area suggests that Tesla is ramping the production of the base all-electric pickup truck. This bodes well for the vehicle, which is still premium priced despite missing a good number of features that are standard in the Cybertruck AWD and Cyberbeast.

Cybertruck Long Range RWD Specs

The Cybertruck LR RWD is priced at $69,990 before incentives, making it $10,000 more affordable than the Cybertruck AWD. For its price, the Cybertruck Long Range RWD offers a range of 350 miles per charge if equipped with its 18” standard Wheels. It can also add up to 147 miles of range in 15 minutes using a Tesla Supercharger.

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Much of the cost-cutting measures taken by Tesla are evident in the cabin of the Cybertruck LR RWD. This could be seen in its textile seats, standard console, seven-speaker audio system with no active noise cancellation, and lack of a 9.4” second-row display. It is also missing the motorized tonneau cover, the 2x 120V and 1x 240V power outlets on the bed, and the 2x 120V power outlets in the cabin. It is also equipped with an adaptive coil spring suspension instead of the adaptive air suspension in the Cybertruck AWD and Cyberbeast.

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