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According to a recent filing with China’s Ministry of Industry and Information Technology, NIO intends to sell three existing EV models with expanded battery capabilities provided by solid-state battery developer WeLion. The filing matches with previous statements from NIO’s founder that consumers could see solid-state powered EVs this summer.

Although many promised EV technologies have been delivered and continue to evolve, solid-state batteries remain an aspiration by many. Although they are closer than ever, no one has yet to reach scaled production of solid-state cells… at least not to the magnitude or, more importantly, at cost parity with traditional lithium-ion batteries used by most automakers.

We at Electrek have covered the progress of several solid-state battery developers that are closer than ever to delivering commercial-grade EV-specific cells. This includes Quantumscape in the US and WeLion in China. Overseas last November, the latter company rolled its first solid-state cells off its assembly line before first deliveries to EV manufacturer NIO.

NIO’s relationship with WeLion dates back years, even before the automaker unveiled its ET7 sedan in early 2021 during a presentation that also included plans for a 150-kWh solid-state pack. We’ve seen deliveries of the NIO ET7 commence in both China and Europe, but no models with the energy-dense packs just yet.

We haven’t forgotten, and neither has NIO, as its latest filing with the Chinese government says those new battery packs may be closer to reaching the market than ever. Here’s the latest.

NIO solid-state
NIO’s ET7 sedan, which could soon come in a new trim powered by solid-state batteries / Credit: NIO

NIO filing hints at solid-state battery upgrades from WeLion

On May 9, China’s Ministry of Industry and Information Technology released its latest list of vehicle models slotted to be sold in the country, which also included hundreds of additional filings for specification changes on existing vehicles for public feedback – a key regulatory process in China.

As CnEVPost points out, NIO filed for an expansion of the specification information pertaining to three existing models – more specifically, the battery information section. The new filing does not mention solid-state batteries specifically but states that NIO models are receiving battery upgrades using cells from Huzhou WeLion Technology Co Ltd. – a wholly-owned subsidiary of NIO’s current semi-solid-state battery supplier, Beijing WeLion New Energy Technology.

The filing states that two NIO SUVs and one sedan will receive the battery upgrades. Recognizable vehicle names were not used. Instead, the model numbers were coded as HFC6502ECSEV9-W, HFC6502ECSEV5-W, and HFC7002CSEV1-W.

The aforementioned ET7 may not necessarily be the NIO EV to see the new energy-dense pack, but the sedan remains attached to the technology as the automaker announced plans for a 150-kWh solid-state pack during the same presentation in early 2021.

NIO hasn’t mentioned much progress since then, at least not until this past February, when the company’s founder and president, Qin Lihong, publicly stated that NIO owners will be able to start experiencing the 150-kWh pack this summer. One huge asterisk is that the 150-kWh pack could cost as much as an entire ET5 sedan, meaning cost parity with current battery chemistry remains lightyears away.

Now that the official filings have been made, it appears that at least three NIO models powered by solid-state cells are imminent and could, in fact, reach the market this summer. We won’t know for sure until we hear it directly from NIO, but this is an exciting prospect nonetheless.

Electrek’s take

Solid-state technology remains the carrot perpetually dangled in front of the EV industry and enthusiasts alike, even as it progresses. I would not be surprised at all if China is the first market to truly deliver commercially scaled solid-state cells in passenger EVs, but I’m curious about what sort of performance they will deliver in the beginning.

A 150-kWh battery pack is quite large, but with more energy-dense cells, I’d imagine NIO can deliver a similar weight (or likely less) for even more efficient power. That means lighter, less volatile EVs that will likely be able to travel further and charge faster. Or perhaps that’s optimistic reverie.

We really won’t know the scope of this battery transition and how significant it is (or isn’t) until NIO shows its cards, but it feels like it could happen in the next few months. We do know that it won’t be cheap, so I’d expect only a limited number of passenger vehicles to actually hit the roads in China.

I’m certainly getting ahead of myself, but it’s an interesting thought that if NIO does, in fact, deliver solid-state EVs in China, we could see them shipped to Europe thereafter, meaning both Chinese and EU markets could see solid-state-powered EVs driving around before the US.

Let’s wait and see what sort of heat WeLion and NIO are actually packing. I’ll keep an eye on this.

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Tesla hacker reveals a new Model Y with 6 seats is in the works

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Tesla hacker reveals a new Model Y with 6 seats is in the works

A Tesla hacker has revealed that through a new software update, the automaker is working on a new Model Y with a 6-seat configuration.

Last week, we reported that Tesla referenced an upcoming 7-seat configuration for the new Model Y in communications with customers.

The automaker previously offered a 7-seat configuration for the Model Y, before the design refresh earlier this year. It was never very popular.

Now, we learn that Tesla is also working on a 6-seater configuration, which would be completely new to Model Y. Tesla offers a 6-seater configuration for the Model X, but it never did for other models.

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Green, an infamous Tesla hacker who often reveals upcoming features by sifting through the code in new Tesla software updates, made the discovery and commented:

“The much-rumored 6-seater Model Y made an appearance in the firmware.”

There had been several rumors about the 6-seater Model Y in the past, but they were almost exclusively in China and referenced a potential longer wheelbase Model Y that never made it to production.

Now, Green notes that his findings point to the new version likely not being only for the Chinese market.

It’s not clear what a Model Y 6-seater could look like, but it would likely feature a 2+2+2 seating configuration with captain seats in the middle, much like the Model X.

Electrek’s Take

This is interesting. If Green is discussing it, it’s in the code, and Tesla is undoubtedly working on it, but it has not been confirmed to be made available. I’ll believe it when I see it.

For my money, if Tesla wants to introduce a 2+2+2 configuration on the Model Y with captain seats in the middle, you kind of need a longer wheelbase. Otherwise, something is getting smushed.

The third row in the previous Model Y was already tiny and only suitable for children or very small adults. A 2+2+2 configuration does give the opportunity to open up that third row a bit with potential for more legroom, but I’m really curious to see how that second row looks like in a Model Y after that.

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Zero announces its new low-cost electric motorcycles have begun production

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Zero announces its new low-cost electric motorcycles have begun production

Zero Motorcycles announced this week that production of its new XE and XB electric motorcycles is now officially underway, with the first units set to begin shipping soon. The milestone marks a major step forward in Zero’s plan to expand beyond its high-performance electric motorcycles and tap into the growing market for more affordable EVs on two wheels.

“Bikes are rolling and the wait is almost over!” the company shared on its social media channels. “Zero XEs and XBs are coming off the production line and begin shipping worldwide over the next few weeks.”

The Zero XE and XB were first unveiled in November 2024 as part of the company’s shift towards smaller, less expensive electric motorbikes that could appeal to a wider customer base than the brand’s traditional $15,000–$25,000 flagship models. With new models that directly compete against Sur Ron and Talaria-style electric motorbikes, Zero is hoping to carve out a section of the much higher volume light electric dirt bike market.

Zero has long been considered one of the dominant players in the heavyweight electric motorcycle industry, but its pricing has remained out of reach for many would-be riders. Now these upcoming smaller and cheaper bikes aim to change that.

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By leveraging Asian designs and manufacturing, the new XE and XB are significantly more affordable. The Zero XB is priced at $4,395, while the larger XE comes in at $6,495. That puts them in direct competition with smaller, value-focused e-moto brands like CSC, Ryvid, and even trail bikes like the infamous Sur Ron or Talaria.

However, the non-street legal status of the bikes in the US means that sales could be hindered, unlike in Europe where the XB and XE models are homologated for use on public roads.

While the price may be lower than the brand’s bigger flagship models, both bikes still wear the Zero badge. The pair is claimed to have been designed by Zero’s California-based engineering team and use a simplified version of Zero’s Z-Force powertrain system, though the models unveiled at EICMA still had a number of obviously Chinese-origin parts and stickers, including labels written in broken English. Now, over six months later, the production models are presumably rolling off the line with a bit closer inspections.

As far as specs go, the Zero XE carries a 4.3 kWh removable battery – one of the largest removable batteries in the industry. That battery powers a 15.5 kW (21 hp) peak-rated air-cooled motor that propels the bike up to 85 km/h (53 mph). 

The slightly smaller XB has a more modest 7.5 kW (10 hp) motor and 2.4 kWh battery, which is also easily removable for charging. The bike has a slower top speed of just 28 mph (45 km/h), making it better suited for riders who want to focus on their skills or learn to jump, instead of merely riding fast. Zero rates the XB with a range of 47 miles (75 km), though time will tell how accurate that figure proves to be.

Zero has made it clear that these bikes are not meant to compete with its premium lineup but rather to complement it, offering a stepping stone into electric motorcycling for newer riders or urban commuters who don’t need highway performance, at least if those urban commuters are located in Europe.

With production now underway and shipping soon, we’ll soon see whether Zero’s bet on the low-cost electric motorcycle segment pays off. One thing is certain: with more affordable options like the XB and XE, Zero is signaling that the future of motorcycling isn’t just fast – it’s flexible.

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Tesla is asked to delay Robotaxi launch in Austin by Texas lawmakers

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Tesla is asked to delay Robotaxi launch in Austin by Texas lawmakers

Texas lawmakers have officially requested that Tesla delay its planned Robotaxi launch in Austin by a few months due to a new law being implemented.

It’s a Godsend for Elon Musk.

As we previously reported, Tesla’s planned Robotaxi launch in Austin, Texas, now “tentatively” scheduled for June 22, is a moving of the goal post for Tesla.

CEO Elon Musk himself has previously described what Tesla plans to launch as “not really self-driving”, but the CEO is using the new strategy as a way to claim a win in autonomous driving after years of missed deadlines and failed promises.

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Since last year, Musk has discussed launching the service in Austin this summer. For the last few months, he had indicated that it would happen in June, with the June 22nd date being officially shared last week.

For Musk to claim his win, Tesla would need to stick to the deadline, which would be a first for Tesla when it comes to its autonomous driving roadmap.

However, Texas lawmakers have just given Tesla an out.

A group of seven Austin-based lawmakers in the Texas Senate and House have signed a letter asking Tesla to delay its launch until September:

As members of the Austin delegation in the Texas Senate and Texas House of Representatives, we are formally requesting that Tesla delay autonomous robotaxi operations until the new law takes effect on September I, 2025. We believe this is in the best interest of both public safety and building public trust in Tesla’s operations. If Tesla opts to proceed with the June 22, 2025, launch date, we request that you respond to this letter with detailed information demonstrating that Tesla will be compliant with the new law upon the launch of driverless operations in Austin.

Texas has had very few regulations affecting autonomous driving, and the new law maintains this status quo. However, it also introduces requirements for following federal guidelines, and the latest version of the bill references SAE autonomous driving levels.

It doesn’t sound like the lawmakers are forcing Tesla to delay the launch for now. They are more politely asking to delay until the new framework is in place.

here’s the full letter from the Texas lawmakers:

Electrek’s Take

This appears to be a Godsend for Tesla and Musk. Even with the significantly reduced scope of the program compared to what Tesla has promised for years, and the fact that Waymo has been doing exactly what Tesla is trying to accomplish for years, it appears that Tesla is having difficulties delivering on that.

As we previously reported, testing without a safety driver has been extremely limited based on sightings, and it appears that Tesla has simply relocated the “safety driver” to the passenger seat with a kill switch for optics.

Now, Tesla can claim that it has to delay the launch to please the regulators rather than because it is not ready.

There’s also NHTSA, which put a deadline for today for Tesla to answer a bunch of questions about its planned Robotaxi launch in Austin. So, that could also play a role.

Now, let’s see if Tesla takes the out or decides to move forward. For everyone’s sake, I hope they take the out.

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