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The race for the “holy grail” of EV batteries is heating up. Mercedes-Benz is now testing EVs with solid-state batteries on the road, which could unlock over 600 miles of driving range.

Mercedes solid-state battery-powered EVs hit the road

Mercedes is working with US-based Factorial Energy to launch the new battery tech, promising more driving range, faster charging, and efficiency.

Last summer, Factorial delivered its first solid-state battery cells based on its propriety FEST (Factorial Electrolyte System Technology).

Mercedes and Factorial took it a step further, revealing the more advanced all-solid-state Solstice battery in September. The new batteries are being co-developed to power Mercedes’ next-gen electric models. With a sulfide-based solid electrolyte, the battery is safer and more efficient.

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With a “breakthrough” energy density of 450 Wh/kg, Factorial said the new Solstice battery is expected to provide 80% more driving range than current lithium-ion batteries.

According to Autocar, Mercedes is already testing EVs with solid-state battery tech on the road. The tests are taking place in the UK using an EQS prototype equipped with the new batteries.

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Mercedes-Benz entry-level CLA EV under camouflage (Source: Mercedes-Benz)

Although full specs have yet to be confirmed, Mercedes said the EQS’s 12-module battery housing was flexible enough for different configurations.

Mercedes expects the new battery to extend the driving range by about 25%. The current EQS 450+ rated with up to 511 WLTP miles range would suggest a driving range of over 620 miles.

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Mercedes-Benz electric CLA concept (Source: Mercedes-Benz)

Factorial aims to unlock over 600 miles of driving range with 40% weight savings compared to conventional Li-ion batteries. The company says Solstice is 33% smaller than a current 90 kWh battery at 580 lbs.

In December, Factorial announced a major milestone after its Solstice all-solid-state battery cells achieved 40 Ah capacity. The company is working with other major automakers, including Hyundai and Stellantis, to advance solid-state battery technology and aims to launch solid-state batteries by 2030.

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Mercedes next-gen EV models (Source: Mercedes-Benz)

According to Mercedes chief tech officer Markus Shafer, the new Solstice batteries will “set new standards in range, cost, and performance. ” Mercedes expects to be producing solid-state batteries at scale by the end of the decade.

Electrek’s Take

Mercedes is among several automakers and other companies developing solid-state batteries in hopes of unlocking more range, safety, and efficiency.

The news comes after local reports earlier this month suggested Hyundai will reveal its all-solid-state EV battery demo line in March. Japanese rival Honda unveiled its pilot line to the public in November.

Stellantis announced plans to launch a fleet of electric Dodge Chargers powered by Factorials solid-state batteries in 2026.

Hyundai, Honda, Toyota, Stellantis, and others aim to mass-produce solid-state batteries by the end of the decade.

And don’t forget that Chinese EV battery leaders BYD and CATL are also racing to launch solid-state batteries. Which company will come out on top?

Source: Autocar

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Ford F-150 Lightning retakes America’s best-selling electric pickup crown

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Ford F-150 Lightning retakes America's best-selling electric pickup crown

Ford’s electric pickup truck is back at the top. The F-150 Lightning is once again the best-selling electric pickup in the US after overtaking the Tesla Cybertruck in the first quarter.

Ford’s F-150 Lightning is the best-selling electric pickup

After launching in 2023, Tesla’s Cybertruck quickly outpaced the Lightning to become America’s top-selling EV pickup last year.

Since Tesla doesn’t break down regional sales, registration data gives us our best estimate. The latest registration data from S&P Global Mobility (via Automotive News) shows that the F-150 Lightning retook the title in March and the first quarter of 2025.

Ford’s electric pickup notched 2,598 registrations in March, topping the Tesla Cybertruck with 2,170. In the first quarter, the F-150 Lightning remained ahead with 7,913 registrations, compared to the Cybertruck’s 7,126.

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Although the Cybertruck was the fifth top-selling EV in the US last year, it didn’t even crack the top ten in March. It placed ninth through the first three months of 2025, behind the Volkswagen ID.4.

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2025 Ford F-150 Lightning (Source: Ford)

While Tesla and Ford remained the leaders in the electric pickup market, several new models are gaining momentum. According to the most recent numbers from Cox Automotive, GM sold 2,383 Chevy Silverado EVs and 1,249 GMC Sierra EV models in Q1. Meanwhile, Rivian sold 1,727 R1Ts during the quarter.

Earlier today, Electrek reported that new models, including the Honda Prologue and Chevy Blazer EV, helped drive EV registrations up 20% in the US in March.

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2026 GMC Sierra EV AT4 (left) and Elevation (right) trims (Source: GMC)

Although the Lightning reclaimed the crown from Tesla, Ford’s electric pickup isn’t exactly flying off the lot. Ford reported Lightning sales fell 16% to just 1,740 units in April. Through April 2025, Ford has sold 8,927 electric trucks, down 9% from the 9,833 it handed over last year.

Electrek’s Take

To be fair, Tesla is still ahead by a wide margin in the US. The S&P numbers show Tesla had over 51,000 registrations in March, up 1% after two months of lower YOY growth.

GM’s Chevy surpassed Ford to become the second-best-selling EV brand with nearly 8,500 registrations, an increase of 274% from last year. Ford dropped to third with 7,361 registrations.

Although it’s just one quarter, it’s starting to show how Tesla CEO Elon Musk’s political antics are likely impacting sales. After the Cybertruck’s initial hype, it appears many buyers are opting for traditional pickups, like the F-150 Lighting.

Meanwhile, Ram is delaying its first electric pickup, the 1500 REV, again. Ram is pushing production back until summer 2027, saying it’s “extending the quality validation period.” The plug-in hybrid (PHEV) Ramcharger will also be delayed until the first quarter of 2026.

After pulling the Ramcharger ahead of the fully electric version last year, Stellantis blamed weak demand for EV pickups in the US.

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Podcast: EV tax credit on chopping block, Tesla’s China problem, Slate gets interest, and more

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Podcast: EV tax credit on chopping block, Tesla's China problem, Slate gets interest, and more

In the Electrek Podcast, we discuss the most popular news in the world of sustainable transport and energy. In this week’s episode, we discuss how the GOP plans to kill the EV tax credit, Tesla’s China problem, Slate getting some interest, and more.

The show is live every Friday at 4 p.m. ET on Electrek’s YouTube channel.

As a reminder, we’ll have an accompanying post, like this one, on the site with an embedded link to the live stream. Head to the YouTube channel to get your questions and comments in.

After the show ends at around 5 p.m. ET, the video will be archived on YouTube and the audio on all your favorite podcast apps:

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We now have a Patreon if you want to help us avoid more ads and invest more in our content. We have some awesome gifts for our Patreons and more coming.

Here are a few of the articles that we will discuss during the podcast:

Here’s the live stream for today’s episode starting at 4:00 p.m. ET (or the video after 5 p.m. ET):

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Tesla’s robotaxi fleet will be powered by ‘plenty of teleoperation’

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Tesla's robotaxi fleet will be powered by 'plenty of teleoperation'

Tesla’s Austin robotaxi fleet will be powered by ‘plenty of teleoperation’ as it “can’t screw up”, according to a new report from Morgan Stanley after meeting with Tesla.

You won’t hear anything negative about Tesla from Morgan Stanley very often.

Morgan Stanley’s Tesla analyst, Adam Jonas, has often been described as a ‘Tesla cheerleader’ on Wall Street for his extremely rosy view of the company. He generally believes whatever Elon Musk claims and adds a slight delay to the CEO’s timeline.

Recently, Jonas met with Tesla with some clients and released a new note that he hinted to be based on what he learned from Tesla during the meeting.

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He claims that the planned “robotaxi” rollout in Austin next month is going to use “plenty of tele ops to ensure safety levels”:

Austin’s a ‘go’ but fleet size will be low. Think 10 to 20 cars. Public roads. Invite only. Plenty of tele ops to ensure safety levels (“we can’t screw up”). Still waiting for a date.

‘Tele ops’ stands for teleoperations, meaning that Tesla employees will be able to remotely access Tesla’s vehicles and operate them in some capacity.

Last year, Electrek reported that Tesla started hiring for this teleoperation team before the Robotaxi launch in Austin.

We have been extensively reporting on how much Tesla’s planned robotaxi fleet in Austin diverges from its previously disclosed plans of deploying “unsupervised Full Self-Driving” in its consumer vehicles.

Tesla plans to deploy “10-20” Model Y vehicles to offer ride-hailling services in a geo-fenced area of Austin, Texas using a version of its ‘Supervised Full Self-Driving’ (FSD), but instead of being supervised by a driver inside the vehicle, like the current product in consumer vehicles, Tesla is going to used employees to remotely supervise the vehicles.

The service is supposed to launch in June.

Electrek’s Take

I seriously don’t get why anyone could get excited about this. It is going to be a bit better than the current FSD, which has stalled for months as Tesla focuses on optimizing the system for Austin, but it will still basically be supervised – just remotely.

There’s a chance that it won’t even be remote as some believe Tesla will even fumble that timeline and use safety drivers, but I don’t know. I’m about 50/50 on that prediction right now.

Remote supervisors make more sense as Tesla can claim a little victory even though it would be less impressive than what Waymo has been doing for years.

The real goal that Tesla sold to consumers is that their privately owned vehicles would become self-driving without supervision and we are still so far from that. It’s clear that this project is mainly to distract them from that fact.

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