Komatsu-Dimag mobile charger at work; rendering via ChatGPT.
There’s no question that electric construction equipment is safer, more precise, and generally better than the diesel equipment it’s replacing, but getting power to that equipment remains a logistical challenge that hasn’t been solved for. With this new mobile Megawatt charging station, however, Komatsu think they’ve found a solution — with up to 6 MW of power!
Developed by Tesla co-founder Ian Wright, Dimaag, and Japanese equipment giant Komatsu, the groundbreaking Mobile Megawatt Charging System (MWCS) promises to bring electricity where it’s needed, anywhere on the job site, then quickly dispense enough energy to get the electric machines under its care back up and running.
And, with Megawatt power delivery on tap, the new Komatsu-Dimaag MWCS can power up equipment assets between shift changes — if it even takes that long!
Komatsu Dimaag mobile charger
Mobile Megawatt charger; via Dimaag.
The MWCS boasts a compact, high-efficiency DC-DC converter and a long-life, high-discharge-rate Battery Energy Storage System (BESS) on board that can be connected to a DC fast charger itself, or get “trickle charged” between shifts. Both the battery and its control systems make use of an advanced thermal management solution that Komatsu and Dimaag say optimizes both safety and battery life during high-power delivery.
To make sure the MWCS can get all that power where it needs to, wherever it needs to, the machine is equipped with with stout, construction-grade AT tires, 4-wheel drive, and 4-wheel steering to navigate tight surroundings and rough terrains that other solutions wouldn’t be able to get to. And, while it isn’t mentioned in the press release, there’s a common sense idea here that you could, in a pinch, use the MWCS to tow less capable vehicles out of the mud and snow, if needed.
For their part, it seems like the people at Dimaag are pretty happy with the results. “Dimaag is excited to collaborate with Komatsu, introducing our advanced ESS and DC-DC architecture to revolutionize electrification in construction,” stated Ian Wright, VP Engineering at Dimaag. “Off-road vehicle electrification demands practical solutions that not only meet but exceed the performance of equivalent large diesel engine vehicles, while also providing substantial Total Cost of Ownership (TCO) savings. Dimaag’s electrification and high-power megawatt charging systems are designed to achieve this.”
The prototype MWCS shown, above, features a 295 kWh battery pack and an MCS connector delivering up to 1,500 amps and 1,000 volts of power. Komatsu envisions a scenario wherein the mobile charger makes its rounds on the job site charging up equipment and heading back to grid power (if available) to charge itself.
Conceptually similar to the mobile power platform being developed by American firm Dannar, this new mobile Megawatt charging unit has some heavy-hitting names behind it that make it impossible to ignore. Combine that with Komatsu’s ever-increasing push towards full electrification (the two machines shown, above, are all-new in the last 60 days, with more to come) and it really feels like the MWCS is going to be A Real Thing™️somewhat sooner than later.
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What looks to be Tesla’s long-rumored “more affordable model” has been spotted testing on a highway, without any camouflage. But before you get too excited, it’s just a Model Y with some cheaper parts – and a price that’s not much different than we’ve seen on other Teslas.
For many years, Tesla had planned to build a much more affordable vehicle, starting around $25k. This vehicle was nicknamed the “Model 2,” and would have offered the most affordable entry point into the EV market, at least in the West.
In its place, Tesla started offering vague promises about “more affordable models,” starting in its Q1 report in April 2024. Tesla later specified that these would enter production in the first half of 2025.
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The language Tesla used suggested that the cheaper vehicles would be new models, which means more than one model, and not just based on a current Tesla model. But we reported that this was unlikely to be the case, and that the new models would just be a stripped-down Model Y.
We first saw the “more affordable” Model Y out and about in Chinese spy shots, which included exterior videos and even a peek at the interior. However, in those spy shots, the front and rear of the vehicle were covered with camouflage, suggesting that there would be some changes in those areas Tesla didn’t want to leak yet.
Tesla doesn’t seem to mind those leaks anymore (especially after a low-res website leak), as a Model Y was spotted driving on the highway with no camouflage whatsoever, offering a look into what Tesla was hiding underneath those covers.
The pictures were posted to reddit by Fantastic_Train_7270, and show a Model Y with Florida manufacturer plates.
The nicely clear front end photos show that the car is missing the front light bar that was added with the Juniper refresh, instead reverting to separate headlights – though both are quite narrow, like the headlights on the Juniper.
The rear end is also missing its light bar, instead replaced by a horizontal black line. The line does not have the “T E S L A” badging, as the Juniper refresh has.
The model also has new aerodynamic wheels, which should help add a little range (and may make up for a smaller battery pack, though we don’t have information yet on whether battery size is part of the decontenting associated with the “more affordable” model).
Other than the lack of light bars, the front and rear look quite similar to the Juniper refresh. However, one concerning detail is that the rear trunk lid does not seem to fit snugly into the place it’s supposed to fit, instead encroaching onto the top of the plastic rear fascia.
We don’t know what might have caused this, but we do know that we’ve seen Model Ys with poor color matching on body panels before – but that’s a lot less of a problem than a body panel that seems to be misaligned by the better part of an inch, visible from a longish distance shot on a highway.
Of course, it’s just a prototype, but this is also the reason prototypes have camouflage, so the public can’t see fiddly bits like this ahead of release.
While these photos don’t show us anything of the interior, information from a recent software update gives us some hints as to what has been removed. In addition to removing the glass roof, coat hooks and 8″ rear screen (as could be seen in the Chinese spy shots), the software update suggests that the Model Y will have no ambient LED lights, single-axis seat controls, and simpler air vents.
The fact that this vehicle was spotted without camouflage, alongside the fact that this vehicle has shown up in recent software updates, suggests that release may be imminent. We had expected that it might be released in China first as has been the case with some other Tesla models lately, but the vehicle’s presence on US roads means that it might see a release here soon too.
And if it is releasing soon, it would be at an important time. Tesla just had its first positive sales quarter in some time, but that was primarily due to the expiration of the $7,500 US EV tax credit, which pulled forward demand. That means Teslas are now going to be $7,500 more expensive for US buyers, as of yesterday. So anything Tesla can do to cut prices will be a big deal.
We don’t know for certain how much cheaper the “more affordable” Model Y will be, but estimates (and a leak) suggest a base price of $40k – so, a savings of $5k over the current $45k base price, or $2,500 under the current base price of the Model 3, neither of which are as low as the lowest prices we’ve seen Teslas sell for before. Quite a far shout from the actually affordable $25,000 car we were all promised for so long.
Also, that price would still be a $2,500 price increase compared to the deal which was available just two days ago, before tax credit expiry. And Tesla has its own CEO to thank for that price hike, given he unwisely spent $200 million campaigning for the anti-EV forces that are now making his company’s products less affordable.
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On today’s surprising episode of Quick Charge, Tesla had its first good sales quarter in a while as the EV tax credit expiration spiked demand, but a number of big shareholders still want Elon gone! Press play to find out why!
We’re also highlighting new EV deals from BMW and Jeep – but it’s not all rosy news for Stellantis’ EV fans. The eagerly anticipated, ultra-fast Banshee edition may never see the light of day.
Today’s episode is brought to you by Climate XChange, a nonpartisan, nonprofit organization working to help states pass effective, equitable climate policies. The nonprofit just kicked off its 10th annual EV raffle, where participants have multiple opportunities to win their dream EV.
New episodes of Quick Charge are recorded, usually, Monday through Thursday (most weeks, anyway). We’ll be posting bonus audio content from time to time as well, so be sure to follow and subscribe so you don’t miss a minute of Electrek’s high-voltage daily news.
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Despite the gated release that requires an invite code, the video creation tool has already shot to the number three spot on Apple‘s App Store and sparked a wave of deepfakes, including a viral clip of CEO Sam Altman shoplifting GPUs.
Internally, the rollout has reignited a long-running debate inside OpenAI about how to balance safety with creative freedom.
A person familiar with internal strategy at the company said leadership views strict guardrails as essential, but also worries about stifling creativity or being perceived as censoring too much.
That tension remains unresolved.
OpenAI’s culture has long favored speed, often shipping new tools ahead of rivals and letting the public adapt in real time.
One former employee, who asked not to be named to discuss internal matters, told CNBC that during their tenure, OpenAI leadership had a pattern of prioritizing fast launches. That strategy was on full display after China’s DeepSeek released a powerful model at the end of last year that was cheaper and faster to build than anything out of Silicon Valley.
OpenAI responded within weeks, debuting two new models in what was widely viewed as a defensive move to preserve its lead.
But OpenAI has a key advantage: Its growing institutional muscle.
Once a scrappy research lab in San Francisco’s Mission District, the company has since become more structured, enabling it to spin up cross-functional teams more quickly and accelerate the development and deployment cycles for products like Sora.
OpenAI said Sora includes multiple layers of safeguards meant to prevent unsafe content from being generated, using prompt filtering and output moderation across video frames and audio transcripts. It bans explicit content, terrorist propaganda, and material promoting self-harm. The app also uses watermarks and bans likeness impersonation.
But some users have already found ways to skirt those protections.
Sora 2, the AI model powering OpenAI’s app, is a sharp improvement over the first version. The new system generates longer, more coherent clips that look strikingly real.
Multiple viral videos feature Altman after he granted permission for his likeness to be used on the platform, while others depict popular cartoon characters like Pikachu and SpongeBob SquarePants in unsettling roles.
The content has fueled criticism that OpenAI is once again moving faster than its own guardrails. Its use of copyrighted material — unless rights holders opt out — is consistent with the company’s current policy, though that approach is being challenged in court.
Altman has brushed off concerns, saying in a post on X that Sora is as much about transparency — showing the public what the technology can do — as it is about building commercial momentum to fund OpenAI’s broader ambitions around artificial general intelligence.
The launch comes amid intensifying competition. Meta rolled out Vibes last week, a new short-form AI video feed inside its Meta AI app. Google has Veo 3, while ByteDance and Alibabahave also debuted rival systems.
OpenAI, meanwhile, just committed to fresh spending of $850 billion, deepening its push into infrastructure and next-gen models.
Experts say the push into video isn’t just about drawing more users into the ecosystem with another sticky consumer app.
Professor Hao Li, a leading expert in video synthesis, told CNBC that most AI systems today are still trained on linguistic data like books and internet text. But to move toward general intelligence, he said, models need to learn from visual and audio information, much like a baby discovers the world through sight.
“We use AI to generate content to then train another model to perform better,” he said.
Li added that his lab already uses AI-generated video to enhance model performance, feeding synthetic data back into the system.
It’s part of a broader trend among researchers who see video generation as a way to simulate reality and help models reason more like humans.
Former OpenAI executive Zack Kass, whose forthcoming book “The Next Renaissance: AI and the Expansion of Human Potential” explores the societal implications of artificial intelligence, echoed that view.
On the broader question of how model makers should approach deployment, Kass argued that the trade-offs of releasing powerful technology early are worth it.
“There are two alternatives to building in the open: Not building at all, or building privately. And those alternatives, to me, are worse,” he told CNBC. “If we have a groundbreaking technology, I think people should know about it and use it so that we can all update to it.”