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Tesla 85D sets record: 550.3 mi on a single charge

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Casey Spencer has just done the unthinkable by driving 550.3 miles (885.62 km) on a single charge in a Tesla 85D

With calculated precision and a lot of determination, Casey Spencer crosses a major milestone to become the first ever Tesla to cross the 500 mile barrier on a single charge.

Casey originally set up a live stream of his record breaking attempt, but having gone through several laptop batteries during his first 14 hours of driving, the stream ended leaving many Tesla fans in the dark on his progress.

We now know that after 26+ hours of continuous driving, at a snail’s pace of 22 mph, Casey completed his epic trip by registering 550.3 mi (885.62 km) with 0 mi left on the display. This shatters the previous record for the longest distance travelled in a Model S set by Bjørn Nyland, besting it by nearly 100 mi.

So, how was Casey able to do it?

What it takes to drive 500+ miles in a Tesla

According to Casey’s initial live stream video, he took a very methodical approach by taking into account time of day, temperature, elevation and even wind speed. Nothing, apparently, was overlooked.

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For one, Casey ensured that every single energy-robbing feature of the car was disabled which includes the climate control. He embarked on his voyage in the early AM hours when temperature was at its lowest point thereby eliminating the need to have any air conditioning on. Driving at night also guaranteed that a minimal amount of cars would be on the road. Two external battery-powered fans were used to keep in-cabin temperatures bearable as daylight swung around the horizon.

Casey broke the journey down into three legs with each leg having a different characteristic. The first leg would be mainly downhill, and at night – low temperatures, no wind and coasting most of the way.

Editor’s note: A tipster emailed us and corrected details for the first leg of the trip. Casey accounts in his video that “There is an initial down hill segment. The first [leg] will be somewhat downhill”.

The second leg would be mainly flat elevation but would take him into the daylight hours with an increase in windspeed. The third and final leg of the record run would see mainly tail winds bringing him over the finish line at an astonishing 550.3 mi (885.62 km) of distance travelled on a single charge.

Stats

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  • 76.8 kWh used which represents 90% of the 85kWh pack
  • 140 Wh/mi average for the record-breaking trip compared to Casey’s lifetime average at 324 Wh/mi translates to a 231% increase in energy usage for every mile driven
  • Tires overinflated to 50 psi
  • Casey drove for 26 hours straight
  • Casey was powered by 1 box of granola bars

 

 

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Tesla Cybercab no longer using chase vehicles in Giga Texas

Elon Musk expects Tesla to produce about 2 million Cybercabs per year.

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Credit: Joe Tegtmeyer/X

The Tesla Cybercab is the company’s first vehicle that is designed solely for autonomous driving. And while the spacious two-seater is expected to start volume production in 2026, the vehicle’s development seems to be moving at a steady pace.

This was hinted at in recent images taken by a longtime Tesla watcher at the Giga Texas complex.

Tesla Cybercab Production

The Cybercab will likely be Tesla’s highest volume vehicle, with CEO Elon Musk stating during the company’s Q1 2025 All-Hands meeting that the robotaxi’s production line will resemble a high-speed consumer electronics line. Part of this is due to Tesla’s unboxed process, which should make the Cybercab easy to produce.

Elon Musk expects Tesla to produce about 2 million Cybercabs per year. And while the vehicle is expected to see volume production at Giga Texas next year, the CEO noted that the vehicle will be manufactured in more than one facility when it is fully ramped.

No More Chase Cars

While the Cybercab is not yet being produced, Tesla is evidently busy testing the vehicle’s fully autonomous driving system. This could be hinted at by the Cybercabs that have been spotted around the Giga Texas complex over the past months. Following last year’s We, Robot event, drone operators such as longtime Tesla watcher Joe Tegtmeyer have spotted Cybercabs being tested around the Giga Texas complex.

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At the time, videos from Giga Texas showed that the driverless Cybercabs were always accompanied by a manually driven Model 3 validation chase car. This was understandable considering that the Giga Texas complex features pedestrians, other cars, and construction areas. As per the drone operator in a recent post on social media platform X, however, Tesla seems to have stopped using chase cars for its Cybercab tests a few weeks ago.

Aggressive Tints

The reasons behind this alleged update are up for speculation, though it would not be surprising if the Cybercab’s autonomous driving system could now safely navigate the Gigafactory Texas complex on its own. Interestingly enough, the Cybercabs that were recently photographed by the drone operator featured very aggressive tint, making it almost impossible to make out the interior of the robotaxi.

This is quite interesting as other Cybercabs that have been spotted around Giga Texas were only equipped with semi-dark tints. One such vehicle that was spotted in February was even speculated to be fitted with an apparent steering wheel.

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Tesla reiterates FSD’s biggest advantage, even if it’s still Supervised

Even in its current Supervised state, FSD is already pretty life-changing.

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Tesla FSD Unsupervised Giga Texas
Credit: Tesla AI/X

Tesla Full Self Driving (FSD) has a ton of potential. Once it is rolled out as an Unsupervised system, it could change the transportation sector. But even in its current Supervised state, FSD is already pretty life-changing.

This was highlighted recently by the electric vehicle maker through its official Tesla account on social media platform X.

Tesla FSD Unsupervised

Tesla’s self-driving aspirations are expected to come to fruition with the release of FSD Unsupervised, which is currently already being used in the Fremont Factory and Giga Texas. With FSD Unsupervised, Teslas are able to navigate from the end of their production lines to the facilities’ outbound lots without a human driver.

Tesla has previously noted that FSD Unsupervised should see its initial release in Texas and California this year. As noted by Tesla in a post on X, autonomy, when deployed at scale, does not just make cities more livable. It also gives back time to people. This is what makes autonomous driving systems potentially world-changing. 

Still Supervised, But Already Useful

FSD today, however, is still Supervised, which means that it still requires constant attention from the driver. This is one of the main points of criticism from Tesla skeptics, as FSD’s current Supervised nature is typically used to argue that it is no better than other adaptive cruise control systems that other carmakers offer. As per Tesla in a follow-up post, however, FSD Supervised already makes life easier. 

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This is because FSD Supervised works on inner city roads, and while the driver is still observing the car to ensure that it operates well, trips could easily become a lot less tiring. This is especially true for long trips, which could take a toll on the driver if vehicles are driven manually.

“You can get a glimpse of that today: although FSD Supervised currently does require your supervision, you will still notice that your commute or long drives are suddenly so much less taxing. No constant micro-adjustments in rush hour traffic. No frustration. Car does it all for you,” Tesla wrote in its post on X.

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Hyundai protects buyers from Trump’s tariffs with assurance program

Hyundai’s new Assurance Program will absorb Trump’s auto tariff costs, keeping prices flat for U.S. buyers. 

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Hyundai-Georgia-plant-vs-trump-tariffs
(Credit: Hyundai USA)

Hyundai is protecting buyers from U.S. President Trump’s auto tariffs through its new Assurance Program.

The South Korean automaker’s U.S. COO Claudia Marquez launched the Assurance Program at the 2025 New York International Auto Show. The initiative addresses the impact of President Trump’s 25% tariffs on the auto sector, a dominant topic at the event.

Marquez emphasized Hyundai’s commitment to price stability during his announcement. The Assurance Program absorbs tariff-related costs, leveraging Hyundai’s robust U.S. production to mitigate impacts.

“When it comes to the customers, which again is tough and even for us just for planning purposes, what we wanted to make sure is that we have a plan, so we launched our Hyundai Assurance Program, which is confirming and assuring to customers that [prices] are not going to go up, at least this next couple of months,” she told Yahoo Finance.

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Hyundai of America produces 40% of its vehicles in the U.S. through its Alabama factory and the newly opened Hyundai Motor Group Metaplant America (HMGMA) in Savannah, Georgia. The Georgia plant began Ioniq 5 production in October 2024 and plans to start Ioniq 9 output by Q1 2025.

“We have a strong representation in the US. We have a factory in Alabama, and just recently, two weeks ago, we opened our new Metaplant in Savannah, Georgia, where we produce our EVs Ioniq 5 and Ioniq 9,” Marquez said.

As President and CEO Jose Muñoz noted, Hyundai’s localization strategy strengthens its tariff resilience. Initially focused on EVs, HMGMA will also produce hybrids following a 2024 dip in EV sales.

“We are looking forward to officially opening Hyundai Motor Group Metaplant America (HMGMA) in Georgia. Our localization strategy in the important U.S. market will help mitigate the impact of any potential policy change,” Muñoz said at the company’s annual shareholders’ meeting.

While Hyundai’s U.S. plants provide a buffer, building such facilities is costly and time-intensive, with potential policy shifts looming by 2028. For now, the Assurance Program and localized production help Hyundai navigate Trump’s tariff, ensuring customer affordability amid trade uncertainties.

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