Category: EV vehicles

  • Fire-Safe Lithium-Ion Battery Design Prevents Thermal Runaway

    Fire-Safe Lithium-Ion Battery Design Prevents Thermal Runaway

    Key Takeaways

    1. Traditional lithium-ion batteries pose a fire hazard due to thermal runaway, which can occur when they are damaged or overcharged.
    2. Researchers from the Chinese University of Hong Kong developed a new battery design that significantly reduces the risk of fire and explosions.
    3. The new battery design only increased in temperature by around 3.5 °C when punctured, compared to a standard battery’s surge of 555.2 °C.
    4. The breakthrough was achieved by addressing ion association, which previously compromised battery safety by lowering the thermal runaway threshold.
    5. The innovative “solvent-relay strategy” in the new electrolyte enhances both safety and durability, allowing the battery to maintain 81.9% capacity after 1,000 cycles.

    Traditional lithium-ion batteries, which are used in many gadgets from automobiles to smartwatches, come with a notable fire hazard. These batteries can experience thermal runaway when they are damaged, overcharged, or defective. This phenomenon is risky because it causes internal parts to fail and emit intense heat. Typically, a battery can heat up by more than 500 °C, resulting in fire or explosions.

    New Research Findings

    Recently, researchers from the Chinese University of Hong Kong have created a new battery design that reduces this danger. Their findings were published in the journal Nature, where they explained their innovative design and the results of their tests. When a nail punctured the newly designed lithium-ion battery, the temperature only increased by around 3.5 °C and remained stable. On the other hand, a standard battery with conventional electrolytes experienced a temperature surge of 555.2 °C, leading to both an explosion and a fire.

    Understanding the Problem

    The breakthrough was achieved after the team pinpointed the problem — ion association. In traditional batteries, the way lithium ions and negative ions group within the electrolyte aids in forming a protective layer known as the solid electrolyte interphase (SEI), crucial for a long battery life. However, the researchers found that this same ion association reduces the temperature threshold for thermal runaway by nearly 94 °C, which compromises the safety of the battery.

    Innovative Solution

    To address this issue, the researchers developed what they refer to as a “solvent-relay strategy.” They created a new electrolyte that reacts differently at varying temperatures. Under normal room-temperature conditions, it encourages the ion association necessary for effective SEI formation. However, when temperatures rise due to damage, a specific solvent named lithium bis(fluorosulfonyl)imide takes over, bonding with the lithium and facilitating ion dissociation. This process prevents the formation of dangerous anion bonds that could lead to heat generation.

    Performance and Durability

    The new battery design has demonstrated both safety and resilience. Cells built using this innovative strategy exhibited remarkable cycle life, maintaining about 81.9% of their capacity even after 1,000 cycles.

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  • Tesla Plans AI Chip Terafoundry, Reveals Roadster, Semi, Optimus Dates

    Tesla Plans AI Chip Terafoundry, Reveals Roadster, Semi, Optimus Dates

    Key Takeaways

    1. Tesla plans to start mass production of the Cybercab in April, aiming for one unit every 10 seconds, significantly faster than the Model Y.
    2. The Robotaxi service will expand to major US cities, including Miami, Dallas, Phoenix, and Las Vegas, with the Cybercab designed without pedals or a steering wheel.
    3. The second-generation Semi truck will enter mass production in 2026, featuring improvements like a light bar, increased payload capacity, and enhanced efficiency of 1.7 kWh/mile.
    4. The much-anticipated Roadster 2 reveal is set for April 1, 2026, with a release in 2027, and Tesla plans to start mass production of the Optimus 3 humanoid robot in 2026.
    5. Tesla’s Cybercab and Optimus robots will rely on advanced AI chips and batteries, with plans to establish a lithium refinery and potentially a chip foundry to support production needs.

    Tesla has revealed plans to kick off mass production of its Cybercab in April, aiming to produce one unit every 10 seconds, which is four times faster than the Model Y.

    Expansion of Robotaxi Service

    By that time, Tesla’s Robotaxi service is set to cover most major US cities, with Miami, Dallas, Phoenix, and Las Vegas identified as the next locations for operation. The Cybercab has undergone minor design tweaks since its first introduction, but it will still be manufactured without pedals or a steering wheel.

    Updates on the Semi Truck

    The most significant design overhaul has been reserved for Tesla’s second-generation Semi truck, which is also expected to go into mass production in 2026. The new model will feature a light bar, enhanced payload capacity, and a 15% boost in efficiency, bringing it down to just 1.7 kWh/mile. Additionally, the charging speed has been increased to 1.2 MW, which is the maximum permitted by Tesla’s NACS standard at a V4 Supercharger station.

    Future Roadster and Humanoid Robots

    During the 2025 Annual Shareholder Meeting, where Elon Musk’s $1 trillion pay package was approved by 70% of shareholders, Tesla announced that the much-anticipated Roadster reveal will take place on April 1, 2026. The actual release date for the Roadster 2 is set for 2027, though a demo is planned for this year, where enthusiasts might discover why Musk claims the supercar can “fly.”

    The mass production of the Optimus 3 humanoid robot is also on the horizon for 2026, starting with an initial line of one million units at the Fremont facility, followed by a larger setup in Giga Texas for ten times that amount. Musk is accelerating these plans in response to competitive humanoid robots being announced by Chinese companies such as XPeng, which plan to begin mass production in 2026. “Tesla and Chinese companies will dominate the market,” Musk stated.

    AI Chips and Battery Production

    Both the Cybercab and Optimus robots will rely heavily on AI chips and batteries. Tesla provided an update regarding its lithium refinery, which is set to begin operations next year with a planned capacity of 50 GWh. Alongside its own lithium refinery and battery manufacturing plants, Musk mentioned that Tesla might need to establish its own AI chip foundry.

    “This isn’t just a new chapter for Tesla; it’s an entirely new book. This new book significantly boosts vehicle production and accelerates Optimus production at a pace never seen before in human history. Even with the most optimistic projections for chip production from our suppliers, it’s still insufficient. Therefore, I believe we might have to create a Tesla terafab. It’s like giga, but way larger,” he expressed.

    Chips and Production Plans

    Of course, Musk has a tendency for exaggeration, especially now that he’s just secured a potential trillion-dollar compensation package. However, he did share some insights into the Tesla AI5 chip specifications, stating it will begin production in about a year, boasting a 50x “total” advantage over the AI4. Production will continue to be shared between Samsung and TSMC, while the AI6 chip will be produced solely by Samsung at its Texas facility. This arrangement leaves Tesla’s own chip foundry responsible for the upcoming AI7 and AI8 chips that Musk has hinted at recently.

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    Tesla Plans AI Chip Terafoundry, Reveals Roadster, Semi, Optimus Dates

     

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  • Tesla Supplier LG and Major Oil Refiner Launch Sodium-Ion Batteries

    Tesla Supplier LG and Major Oil Refiner Launch Sodium-Ion Batteries

    Key Takeaways

    1. Sinopec and LG are collaborating to develop sodium-ion batteries for electric vehicles and energy storage.
    2. LG will leverage Sinopec’s expertise in chemicals and large-scale production for innovative battery materials.
    3. Sodium-ion batteries offer advantages over lithium-ion, such as better performance in cold climates and enhanced safety.
    4. The partnership aims to create affordable sodium-ion batteries for budget-friendly electric vehicles and energy storage systems.
    5. LG Chem is also focused on advancing EV battery technology, including the development of high-performance 4680 batteries.

    The largest fossil fuel refiner in the world, Sinopec, has teamed up with LG, a supplier of batteries for Tesla, to create new sodium-ion batteries for electric vehicles and energy storage solutions.

    Partnership Details

    As part of the agreement, LG will focus on creating innovative cathode and anode materials for sodium-ion batteries, utilizing Sinopec’s extensive knowledge in chemicals and large-scale production. This marks the first venture into the sodium-ion battery market for both companies. However, LG has already established its reputation in the EV sector by making advanced batteries for Tesla, including the latest units that have improved energy density, which helped to enhance the range of the Model Y recently.

    Goals and Advantages

    LG expressed that they aim to develop next-gen battery materials quickly through their collaboration with Sinopec. The company highlighted the performance benefits of sodium-ion batteries over traditional lithium-ion types, emphasizing their exceptional performance in cold climates and safety features.

    The main objective of this joint venture between LG and Sinopec is to manufacture affordable sodium-ion batteries that can be used in budget-friendly electric vehicles and energy storage systems.

    Future Innovations

    LG Chem has already achieved significant milestones in EV battery technology thanks to research in its cathode materials division. They plan to produce 4680 batteries that outperform the current Tesla Cybertruck batteries in terms of thermal efficiency and charging capabilities. LG is working on overcoming the challenges related to cost and performance of sodium-ion batteries, though it is yet unclear if Tesla will choose to use these new sodium-ion batteries.

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  • Tesla Offers 12-Year Model Y Battery Warranty to Compete with China

    Tesla Offers 12-Year Model Y Battery Warranty to Compete with China

    Key Takeaways

    1. Tesla currently offers an 8-year battery warranty, shorter than competitors like Hyundai and Kia, who provide 10-year coverage.
    2. Chinese automakers, led by NIO and CATL, are advocating for a mandatory 15-year EV battery warranty with an 85% capacity retention.
    3. Tesla plans to introduce extended battery warranties of up to four additional years starting in 2026, available as a subscription service for $100/month.
    4. CATL already offers a 12-year warranty for NIO and aims to extend its own warranties to 15 years, with LFP batteries guaranteed for up to 20 years.
    5. The push for longer warranties is seen as a way to rejuvenate the used EV market, as many electric vehicles will be out of warranty in the next five years.

    As the largest battery manufacturer in the world aims to establish a 15-year warranty for electric vehicles (EVs) in collaboration with leading brands like NIO, Tesla is paying attention.

    At present, Tesla provides an 8-year warranty for its high-voltage battery, which is shorter compared to the 10-year coverage offered by Hyundai or Kia in the U.S. Moreover, this warranty specifies that during its duration, the battery in a Model Y should not drop below 70% of its initial capacity.

    Chinese Automakers’ Initiative

    In contrast, Chinese firms like NIO have teamed up with CATL to push for a mandatory 15-year EV battery warranty across the industry, promising an 85% capacity retention. The technology exists; modern LFP batteries, found in everything from the discounted Anker Solix 2 mobile power station on Amazon to mainstream electric vehicles, have demonstrated their ability to last significantly longer than the typical warranties provided by manufacturers.

    Tesla’s Plans for Extended Coverage

    Tesla is set to roll out battery warranties that extend up to four additional years for the Model Y, Model 3, and other vehicles in its lineup. In a message to customers, Tesla announced that these extended coverage options will be available beginning in 2026. However, this new battery warranty from Tesla is expected to be offered as a subscription service, starting at $100 a month for the longer coverage periods.

    It’s evident that Tesla has calculated the longevity of the new battery technologies it uses in its cars, which can exceed the standard 8-year warranty. This means Tesla could profit from the subscription fees. If Tesla charges $100/month to extend the battery capacity guarantee by another four years, it stands to gain nearly $5,000. In the rare case that some batteries fall below the 70% threshold during this period, Tesla would replace them at minimal expense.

    CATL’s Competitive Edge

    CATL is already providing a 12-year battery warranty for the packs it supplies to NIO’s EV battery swap stations, and it is expanding its own network with the aim of extending the warranty to 15 years. Their LFP batteries used for energy storage are backed by a guarantee of up to 20 years, with no degradation expected in the first five years of use.

    According to NIO, approximately 20 million electric vehicles will be out of warranty in the next five years, which could create a stagnant second-hand EV market. This is why NIO is collaborating with CATL to establish a 15-year battery warranty as a standard, revitalizing the used EV market and addressing a major concern for future electric vehicle owners. Tesla appears to be following a similar path, but with a unique approach to maintain its profit margins by introducing the extended battery warranty as a subscription service.

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  • Tesla Recalls 6,200 Cybertrucks Due to Sticky Mistake

    Tesla Recalls 6,200 Cybertrucks Due to Sticky Mistake

    Key Takeaways

    1. Tesla is recalling nearly 6,200 Cybertrucks due to potential issues with off-road LED light bars detaching while driving.
    2. The recall affects Cybertrucks made at the Texas Gigafactory between November 13, 2023, and November 5, 2024.
    3. The problem arose from an assembly error involving the use of incorrect adhesive, which could cause vibrations to loosen the light bars.
    4. Tesla will check all affected vehicles for loose or damaged light bars, replace defective units at no cost, and install a mechanical fuse for added safety.
    5. This recall marks Tesla’s tenth in under two years, and the Cybertruck’s sales have struggled due to regulatory issues in the European Union.

    Following a recent recall involving nearly 13,000 Model 3 and Model Y cars due to a potential drive loss, Tesla is now issuing a recall for the Cybertruck as well. The concern relates to the LED light bars, which are made for off-road use but could come loose while being driven. The US National Highway Traffic Safety Administration (NHTSA) has released a recall notice stating that this issue impacts Cybertrucks manufactured at the Texas Gigafactory between November 13, 2023, and November 5, 2024.

    Affected Vehicles

    This recall includes 6,197 vehicles in the US, with a focus on the high-performance Cyberbeast model. Tesla has received 619 warranty claims and one report from the field about the problem, although there have been no accidents or injuries reported so far. The NHTSA explained that the issue resulted from an assembly mix-up, where BetaSeal adhesive was occasionally used instead of the proper BetaPrime primer. This substitution may lead to the LED light bars detaching because of vibrations while driving.

    Installation Concerns

    It’s important to mention that the off-road light bars in question could either be ordered as a factory option or added afterward through Tesla Service. In some instances, customers had to carry out the installation on their own since Tesla employees aren’t legally allowed to install certain electronic parts. However, it’s still uncertain if this had any effect on the light bar issues currently being faced.

    Tesla has announced that all vehicles affected will undergo checks for any loose or damaged light bars. Any defective units will be replaced at no cost, and a mechanical fuse will be installed to enhance safety in the future. A transparent and customer-driven approach is crucial, especially as Tesla’s reputation is already facing challenges.

    Ongoing Recalls

    This latest recall is Tesla’s tenth within a span of less than two years. Earlier this spring, the company had to call back tens of thousands of vehicles due to loose trim and misaligned pedals. Meanwhile, sales of the Cybertruck have not met expectations, partly because the vehicle does not comply with road regulations in the European Union. In response to these challenges, Elon Musk has reportedly had his companies SpaceX and xAI buy an entire fleet of Cybertrucks, likely to increase visibility and demand.

     

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  • Kia Postpones US Release of EV4 Sedan Indefinitely

    Kia Postpones US Release of EV4 Sedan Indefinitely

    Key Takeaways

    1. Kia has paused the US introduction of its EV4 sedan, originally planned for early 2026.
    2. A Kia representative confirmed the delay but did not specify reasons, mentioning changing market conditions for EVs.
    3. Influencing factors may include the end of EV Tax Credits in the US and tariffs on South Korean imports.
    4. The EV4 sedan, already available in South Korea, features a 150 kW motor and offers two battery options with a range of up to 330 miles.
    5. Future availability of the Kia EV4 sedan in the US remains uncertain, but images of the EV4 GT hatchback were recently released, expected to launch in 2026.

    Kia has decided to pause the US introduction of its EV4 sedan. This electric vehicle was showcased at the 2025 New York International Auto Show in April, with plans from Kia to bring it to market in early 2026.

    Delay Confirmation

    A recent comment from an unnamed Kia representative to InsideEVs appears to confirm that the EV4’s launch is being postponed in this market. The spokesperson for the South Korean company stated, “the release of the upcoming EV4 electric sedan will be delayed until further notice.” While they did not specify the exact reasons for this delay, the spokesperson mentioned that “market conditions for EVs have changed.” This could imply that the end of the EV Tax Credits in the US and existing tariffs on South Korean imports may have influenced this choice.

    Specifications and Features

    The Kia EV4 sedan, which is already available in South Korea, was planned to be sold in three different trim levels in the US. All versions are based on the 400V E-GMP platform and feature a 150 kW front motor. They were supposed to come with either a 58.3 kWh or an 81.4 kWh battery, with the larger option providing a range of up to 330 miles (~531 km). Additionally, equipped with a North American Charging Standard (NACS) port, it was estimated that charging from 10% to 80% would take around half an hour.

    Future Uncertainty

    It is still unclear if or when the Kia EV4 sedan will make its way to the US market. In related news, Kia has also released the first official images of the EV4 GT hatchback, which is expected to launch sometime in 2026.

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  • Kia Teases New EV4 GT with Exciting Wrap Reveal

    Kia Teases New EV4 GT with Exciting Wrap Reveal

    Key Takeaways

    1. Kia has revealed initial pictures of the upcoming EV4 GT hatchback, following the debut of the regular EV4 in 2025.
    2. The EV4 GT Wrap features black, gray, and neon green foil, showcasing the brand’s electric GT prototypes with patterns reflecting speed.
    3. Specifications for the EV4 GT are not yet disclosed, but it may include features similar to the EV6 GT and EV9 GT, like a Virtual Gear Shift (VGS) system.
    4. The anticipated launch of the Kia EV4 GT is set for 2026, although a specific release date is still pending.
    5. The premium EV4 GT-Line S is priced at £44,795 in the UK, indicating the EV4 GT’s starting price may be around £50,000.

    Kia has unveiled the initial official pictures of its forthcoming EV4 GT. The regular EV4 made its debut in 2025, and it comes with several GT-Line and GT-Line S versions available in different markets. Additionally, Kia has already introduced GT variants of both the EV6 and EV9 models.

    New GT Wrap Displayed

    In a recent press release regarding a new GT Wrap, Kia is showcasing the EV4 GT hatchback. This GT Wrap features a combination of black, gray, and neon green foil, which is intended to conceal the brand’s electric GT prototypes. Kia claims that the geometric patterns reflect the speed associated with its GT models and emphasize “the emotional character of its (Kia’s) high-performance cars.” The images released also highlight unique rims on this prototype.

    Specifications Still Under Wraps

    Details on the specifications for the Kia EV4 GT are still pending. Just to remind everyone, the standard EV4 has front-wheel drive and comes with a single motor producing 201 bhp, alongside 58.3 kWh and 81.4 kWh battery choices. If it follows the pattern set by the EV6 GT and EV9 GT, it might include a Virtual Gear Shift (VGS) system, which aims to replicate the feel of changing gears in a gasoline-powered vehicle through various shift patterns, tactile feedback, and simulated sounds.

    Anticipated Release and Pricing

    The launch of the Kia EV4 GT is currently slated for 2026, although a specific release date has not yet been announced. In terms of pricing, the premium EV4 GT-Line S with a heat pump retails at £44,795 in the UK, which suggests that the starting price for the EV4 GT will likely be around £50,000.

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    Kia Teases New EV4 GT with Exciting Wrap RevealKia Teases New EV4 GT with Exciting Wrap RevealKia Teases New EV4 GT with Exciting Wrap Reveal

     

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  • Ford EV Catches Fire While Driving; Company Points to External Factors

    Ford EV Catches Fire While Driving; Company Points to External Factors

    Key Takeaways

    1. Warranty claims can be complex and often leave customers reliant on manufacturers or service providers.
    2. A vehicle owner, Chase Roberts, had his warranty claim denied by Ford after his Mustang Mach-E caught fire.
    3. Ford’s engineer conducted a brief inspection and concluded the fire was caused by an external factor, without a formal report.
    4. Ford stated that the damage was not covered under warranty and would provide no further assistance.
    5. Chase sought support on social media, where he found others with similar experiences.

    Warranty claims can be complicated, often leaving customers dependent on manufacturers or warranty service providers. A notable example of this is a recent situation involving a vehicle owner and Ford Motor Company, which denied a warranty claim after a fire incident.

    The Incident

    Chase Roberts, the affected owner, expressed his frustration on Facebook on October 22, calling out Ford for what he sees as an unjust decision. He claimed that his relatively new Ford Mustang Mach-E caught fire while he was driving. Afterward, he submitted a warranty claim, and his car remained at the dealership for two months before Ford finally dispatched an engineer to examine the vehicle.

    The Inspection

    The engineer conducted a brief inspection lasting only 15 to 30 minutes, and without providing a formal report, he concluded that the fire was caused by an external factor. Ford then followed up with an email stating, “Based on our inspection, we believe the damage was caused by an external factor and is not covered under warranty. Ford will be of no further assistance.”

    Seeking Support

    Left with limited options, Chase turned to social media, posting about the incident several times to draw attention to his situation. Many commenters shared similar experiences, while others encouraged him to keep pushing for resolution.

    Previously, we reported on a comparable case involving a Xiaomi device that exploded during use, where Xiaomi also attributed the cause to external factors.

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    Ford EV Catches Fire While Driving; Company Points to External FactorsFord EV Catches Fire While Driving; Company Points to External Factors

     

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  • Toyota Reveals New Corolla Concept with BEV and FCEV Plans

    Toyota Reveals New Corolla Concept with BEV and FCEV Plans

    Key Takeaways

    1. Toyota unveiled the new Corolla Concept at the Japan Mobility Show 2025, aiming to be “a car for everyone.”
    2. The design features smooth lines, sharp headlights with an LED lightbar, wraparound brake lights, and a unique interior layout with ‘floating’ panels.
    3. The concept may offer multiple powertrain options, including battery-electric, plug-in hybrid, hybrid, and traditional internal combustion engine.
    4. Toyota is also developing a fuel cell electric vehicle (FCEV) version of the Corolla, focusing on a smaller hydrogen cell size.
    5. The production timeline and final design details of the Toyota Corolla Concept are still to be announced.

    Toyota has introduced a new Corolla Concept during the Japan Mobility Show 2025. The company claims this model is “a car for everyone”; it holds the title of the world’s best-selling car, with a remarkable 50 million units sold from 1966 to 2021.

    A Fresh Design

    For the latest Toyota Corolla Concept, the Japanese automaker has revealed an updated design, featuring smooth lines and a contemporary interior. The front of the car showcases sharp headlights, linked by an LED lightbar. The rear includes wraparound brake lights, and the concept is also equipped with a panoramic roof. Inside, the driver faces a unique layout with ‘floating’ panels shaped around the steering wheel, replacing the usual dashboard. The center console has a small model of the car that serves as a gear selector.

    Powertrain Options

    During the event, Toyota expressed its intention to potentially offer this updated model as a battery-electric vehicle (BEV), a plug-in hybrid (PHEV), a hybrid (HEV), or a traditional internal combustion engine (ICE) vehicle. Photos of the Toyota Corolla Concept suggest it may be a battery electric vehicle, as there is a charging port situated behind the front driver’s side wheel.

    Future Developments

    Additionally, a new report indicates that Toyota is also developing a fuel cell electric vehicle (FCEV) variant of the next-gen Corolla. In a discussion with Autocar, Mitsumasa Yamagata, President of Toyota Hydrogen Factory, mentioned that their team is working on a hydrogen-powered engine for the vehicle, aiming for a smaller cell size to prevent a major redesign of the concept.

    It is yet to be determined when the Toyota Corolla Concept will enter production and how similar the final version will be to the model presented this year.

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  • Tesla Increases Model 3 and Model Y Lease Prices by Up to $100

    Tesla Increases Model 3 and Model Y Lease Prices by Up to $100

    Key Takeaways

    1. Tesla will increase lease payments for the Model 3 and Model Y starting November 4.
    2. The lease for the Model Y Premium RWD will rise to $529/month, while the Model 3 will increase to $429/month.
    3. The $6,500 lease credit will remain in place despite the increase in monthly payments.
    4. The price gap between leasing a Model Y and Model 3 is now just $100, complicating customer choices.
    5. Tesla aims to protect profit margins after a record number of deliveries, amid rising expenses and declining sales expectations.

    Tesla is set to raise lease payments for the Model 3 and Model Y starting on November 4, as previously warned.

    This adjustment appears to follow a temporary reduction in monthly costs aimed at attracting customers after the federal tax credit expired, with final deliveries pushed to mid-October.

    Updated Lease Costs

    From November 4, the lease for the Model Y Premium RWD will increase to $529/month, up from the current $449. The price hike for the Model 3 is even steeper, rising by $100, from $329 to $429 for a 3-year lease that includes a $3,000 down payment.

    With the gap between leasing a Model Y and a Model 3 narrowing to just $100, Tesla enthusiasts will face some difficult decisions on which model to choose.

    Lease Credit and Financial Outlook

    Fortunately, Tesla is maintaining the $6,500 lease credit that was introduced right after the federal one ended. However, the increase in monthly lease payments appears to be a strategy to recover losses from its own credit program to some extent.

    Despite achieving a record number of vehicle deliveries last quarter, Tesla’s financial situation wasn’t very bright. The surge in revenue from customers racing to take advantage of the $7,500 federal tax credit was countered by higher expenses. Now, Tesla is looking to protect its profit margins during a fourth quarter that could experience a significant decline in sales.

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