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Tesla Model S missed its 400-mile EPA rating over mishap during testing, reveals Musk
Among many topics covered during Tesla’s Q1 earnings call, CEO Elon Musk revealed that a fumble by the Environmental Protection Agency (EPA) might have cost the Tesla Model S its 400-mile range rating.
After Tesla released the “Long Range Plus” variant of the Model S earlier this year, the company’s flagship vehicle came within striking distance of the elusive 400-mile electric range threshold. Testing from the EPA revealed that the new longer-range Model S was capable of 391 miles in a single charge, making it the company’s longest-range vehicle.
However, Musk stated during the company’s Q1 2020 Earnings Call that when the EPA came to test the Model S, the government agency made one small mistake that inevitably ended up costing Tesla’s flagship sedan nine miles of range.
“It should be said that the real Model S range is 400 miles,” Musk claimed during the call on April 29. “But when we did the last EPA test, unfortunately, the EPA left the car door open and the keys in the car.” This meant that the Model S effectively “ran” overnight, and depleted 2%, or around nine miles of range, from its battery in the span of the evening.
However, Musk is confident that when the EPA inquires about testing for Tesla’s vehicles in the future, the car will achieve a range of 400 miles or higher. The new round of testing will not take place until after the current social distancing restrictions end in the San Francisco Bay Area, where Tesla’s Fremont production facility is located.
Musk reiterated at the tail end of his statement that the “true” range of the Model S for the past two months had been 400 miles. Even though the EPA estimated the range at 391, drivers who own the Long Range Plus configuration will experience 400 miles of range per charge. The EPA guidelines simply state that the vehicle is capable of only 391 miles, however.
Tesla has undoubtedly been the electric car maker who has led the industry in battery performance and range. While many other companies struggle with the range of their electric vehicles, Tesla has managed to separate itself from the pack. The company’s development of battery cells and constant work to make its vehicles’ power source superior to competitors has led to the company’s flagships’ unmatched range today.
Tesla is not done developing its batteries either. Recently, Tesla applied for a patent for a new electrode makeup and heating process. Tesla claimed in the patent that its new system for batteries eliminates a large number of impurities from the cells, which become present during the heating process.
Tesla has made strides towards the development of its own battery cells. Not only did the company obtain the help of battery researcher and expert Jeff Dahn of Dalhousie University in Canada, but Tesla also acquired battery companies like Maxwell Technologies and Hibar Systems. With the assistance of these new companies under Tesla’s wing, the electric automaker has obtained knowledge and technologies that have established it as a leader in the EV segment.
Elon Musk
Elon Musk just roasted Sam Altman’s Tesla Roadster cancellation
“And you forgot to mention act 4, where this issue was fixed and you received a refund within 24 hours.
But that is in your nature.”
Elon Musk has responded to OpenAI CEO Sam Altman’s decision to cancel his Tesla Roadster reservation, which he revealed on X on Thursday.
We reported on Altman’s decision, which he called “A tale in three acts,” showing his confirmation email from Tesla back in 2018, an email requesting his $50,000 deposit back after canceling his order, and a notification from Google that the email he sent was not delivered.
A tale in three acts: pic.twitter.com/ClRZBgT24g
— Sam Altman (@sama) October 30, 2025
Musk did not take too kindly to the post from his tech rival, first referencing his position with OpenAI, and then confirming that Altman received his reservation deposit back within 24 hours:
And you forgot to mention act 4, where this issue was fixed and you received a refund within 24 hours.
But that is in your nature.
— Elon Musk (@elonmusk) November 1, 2025
OpenAI was started by Musk, Altman, and others back in 2015, and was geared toward being a non-profit company that would develop safe artificial intelligence that would be accessible to people.
However, Musk and Altman did not agree on the future of the company. Musk left, and Altman turned OpenAI into a for-profit company. This led to a variety of lawsuits and some very public spats between the two. Musk has called out Altman for turning the company into a for-profit, which has been his main source of criticism for his former colleague.
The Roadster has been hanging in the balance of Tesla’s manufacturing plans for seven years, but the company has made more indications that it will be unveiled later this year and will have some insane technologies.
Musk said on Friday in an episode of the Joe Rogan Experience Podcast that Tesla is “getting close to demonstrating the prototype.”
He said:
“Whether it’s good or bad, it will be unforgettable. My friend Peter Thiel once reflected that the future was supposed to have flying cars, but we don’t have flying cars. I think if Peter wants a flying car, he should be able to buy one…I think it has a shot at being the most memorable product unveil ever. [It will be unveiled] hopefully before the end of the year. You know, we need to make sure that it works. This is some crazy technology in this car. Let’s just put it this way: if you took all the James Bond cars and combined them, it’s crazier than that.”
Musk hinted that the vehicle could fly and would have “crazy technology” that would put James Bond’s vehicles to shame. It will be interesting to see what Tesla will unveil when the event happens and if it can come through on this mind-blowing teaser.
News
SpaceX successfully launches 100th Starlink mission of 2025
With 100 Starlink missions completed for 2025, space enthusiasts have noted that SpaceX has successfully launched 2,554 Starlink satellites so far this year.
SpaceX achieved its 100th Starlink mission of the year on Friday, October 31, marking another milestone for 2025.
A Falcon 9 rocket carrying 28 Starlink broadband satellites successfully lifted off from Vandenberg Space Force Base in California at 4:41 p.m. ET, carrying another 28 Starlink satellites to Low Earth Orbit (LEO).
Falcon 9 booster’s 29th flight
Roughly 8.5 minutes after liftoff, the Falcon 9’s first stage touched down on the drone ship Of Course I Still Love You in the Pacific Ocean. This marked the booster’s 29th flight, which is approaching SpaceX’s reuse record of 31 missions.
This latest mission adds to SpaceX’s impressive 138 Falcon 9 launches in 2025, 99 of which were dedicated to Starlink, according to Space.com. The company’s focus on reusing boosters has enabled this breakneck pace, with multiple launches each week supporting both Starlink’s expansion and external customers.
Starlink’s network continues massive global expansion
Starlink remains the largest active satellite constellation in history, with more than 10,000 satellites launched, nearly 8,800 of which are currently active. SpaceX recently achieved Starlink’s 10,000-satellite milestone. With 100 Starlink missions completed for 2025, space enthusiasts have noted that SpaceX has successfully launched 2,554 Starlink satellites so far this year.
Starlink, which provides high-speed, low-latency internet connectivity even to the world’s most remote areas, has been proven to be life-changing technology for people across the globe. The service is currently operational in about 150 countries, and it currently has over 5 million subscribers worldwide. From this number, 2.7 million joined over the past year.
News
Tesla shares updated timeframe for Cybertruck FSD V14 release
The Cybertruck was expected to receive FSD V14 before the end of the month, but Tesla was not able to meet the target.
Tesla’s Full Self-Driving (FSD) V14 update for the Cybertruck could arrive this weekend, as per recent comments from Director of Autopilot Software and VP of AI Ashok Elluswamy.
The Cybertruck was expected to receive FSD V14 before the end of the month, but Tesla was not able to meet the target.
Cybertruck FSD V14
Considering the extended wait for FSD V14, it was no surprise that several Cybertruck owners were asking for updates about the system’s rollout to the all-electric pickup truck on Friday. These included the official Cybertruck X account, which responded to Elluswamy’s end of month estimate with “I only see trick. Where is my treat.”
This prompted a response from the AI executive, who replied with, “Sorry, pushing for early access Cyber release over the weekend.” This means that if all goes well, Cybertruck owners would be able to experience FSD V14 very soon. Some, however, are wondering if Tesla would go straight to V14.2 for the Cybertruck’s FSD V14 update, or if the vehicle will receive V14.1 first.
Tesla pushes to unify FSD experience across its lineup
The upcoming Cybertruck rollout represents the next step in Tesla’s efforts to roll out FSD capabilities across all of its vehicles. FSD V14 is a notable step forward for the company’s AI-driven self driving system, with features like Mad Max mode getting positive reviews from longtime Full Self Driving testers.
For the Cybertruck, the FSD V14 update would mark one of its first major over-the-air upgrades for the vehicle. Likely due to its size, the Cybertruck tends to receive FSD updates later than the S3XY lineup, which is quite surprising considering that the all-electric pickup truck is a premium-priced vehicle that is home to some of Tesla’s most advanced technologies.
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