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Tesla has released a very detailed update on its 4680 battery cell program, which is expected to be critical for its future electric vehicles.

The 4680 battery cell format has taken the industry by storm since Tesla unveiled its own cell strategy at Battery Day in 2020.

The automaker claimed a potential to reduce battery cost by over 50% with the new design; it has been trying to bring it to volume production since, but it has run into some bottlenecks.

In a conference call following the release of its Q1 2023 financial results, Tesla gave a detailed update about its 4680 battery cell production.

Drew Baglino, Tesla’s senior VP of engineering, said about the 4680 cell:

On Battery Day, we established a cost-down roadmap through 2026 across five areas of effort. There was the cell design we discussed; anode and cathode materials, the structural pack concept, and the cell factory itself. We’ve been making progress across all these aspects since then. For the Cell Factory, for the Texas 4680 factory, we are part way through building and commissioning and installing and operating, will be 70% lower capex per gigawatt hour than typical cell factories when fully ramped in line with what we described on Battery Day. And we’re continuing to further pursue densification and investment reduction opportunities in future factory buildouts like in Nevada.

Tesla is producing 4680 cells at its pilot plant in Fremont, but it is expected to reach higher volume production at Gigafactory Texas, which is the “cell factory” Baglino is talking about here.

He continued:

On the cell design, we’re in production with not only the first generation tabless cell we unveiled on Battery Day but a second more manufacturable version in Texas today. On the cathode material side. we have a number of activities underway per the Battery Day roadmap. For lithium, our Corpus Christi Lithium Refinery breaks ground this May. Our goal is to start commissioning portions of the facility for the end of the year. The refinery uses the sulfate-free refining process with reduced process costs, no acid or caustic reagents, lower embodied energy. It actually produces a beneficial byproduct that can be re-purposed in construction materials.

The executive also gave a more specific update on its Cathode factory at Gigafactory Texas:

We discussed all of these concepts on Battery Day. Same with cathode precursor, we’ve successfully demonstrated a lower process cost, zero waste water precursor process that we described on Battery Day at both lab and pilot scale and are on the detailed design phase for incorporating this technology into the front end of our Austin cathode facility. On cathode production, we are 50% equipment and 75% utilities installed at our new cathode building in Austin with our goal to begin dry and wet commissioning this quarter and next quarter with a target to produce first material before the end of the year.

The 4680 cell also enables Tesla’s new structural battery pack design. The Model Y in production at Gigafactory Texas is the first one to feature this radically different chassis/battery pack design, but Tesla’s future vehicles, including the upcoming Cybertuck, are expected to feature this design.

Baglino gave an update on that front:

Structural pack, we saw big improvements with pack manufacturing with the 4680 cell on the structural pack concept, 50% lower capex and 66% smaller factory with the same output in gigawatt hours per year. We do believe structural as a concept is a good one. It’s simpler. We’ll continue to structurally load the cells and use the pack as the floor of the vehicle while iterating the design to closer to B-level execution of this A-level architecture in future programs. And zooming out for the 4680 team Q1 was all about cost and quality.

The executive shared some details about improvements in production output this quarter and focus on reducing costs going forward in preparation for Cybertruck volume production:

We made significant improvements in both areas. On Texas production, we increased 50% quarter-over-quarter, through yields increased 12% and peak rate increased by 20% and through yields improved by 20%. Altogether, the team accomplished a 25% reduction in COGS over the quarter and we are on track to achieve steady-state cost targets over the next 12 months. And going forward for the rest of the year, the priority one is to yield in cost for the 4680 program as we steadily ramp production ahead of Cybertruck next year.

This is the most detailed update on Tesla’s 4680 battery program and could indicate that Tesla is starting to get out of the woods.

We recently reported that the automaker was having some issues with the dry electrode in the 4680, but it recently hired a new expert to help.

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Lucid’s Gravity SUV just smoked the Corvette Z06 to 150 mph

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Lucid's Gravity SUV just smoked the Corvette Z06 to 150 mph

Lucid’s electric minivan can outsprint the Chevy Corvette Z06, and it has more interior space than a Ford Explorer. Is the Lucid Gravity really the “ultimate uncompromising SUV?”

Lucid Gravity SUV is faster than a Corvette Z06

Lucid’s electric SUV is impressive inside and out. The Gravity provides up to 450 miles of driving range, ultra-fast charging (200 miles in under 11 mins), and it even offers up to 120 cubic feet of cargo space. That’s more than the Ford Explorer (87.8 cu ft).

It’s also faster than most sports cars. The Grand Touring trim has up to 845 hp, good for a 0 to 60 mph sprint in just 3.4 seconds, but the Dream Edition takes it to another level.

Powered by dual electric motors, the Lucid Gravity Dream Edition boasts 1,070 hp. To see how Lucid’s minivan stacks up against the competition, Car and Driver nabbed one for testing.

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On the test track, the Lucid’s minivan covered a quarter-mile in just 10.6 secs, beating a Chevrolet Corvette Z06 to 150 mph by nearly three seconds.

According to Car and Driver, the Gravity didn’t just impress in the quarter-mile, “it was a beast in every acceleration metric.” Lucid’s SUV hit 30 mph in 1.4 seconds, 70 mph in 3.7 secs, and topped 100 mph in just 5.9 seconds.

Lucid's-SUV-Corvette-Z06
Lucid Gravity Grand Touring (Source: Lucid)

Dave Vanderwerp, the testing director who took the Gravity for a spin, said the electric SUV “gets a sort of second wave of thrust starting around 60 mph.”

With a quarter-mile of just 10.6 secs, Lucid’s Gravity is the fastest SUV they have ever tested, beating out the Rivian Tri-Motor Max (11.1 secs), BMW iX M60 (11.5 secs), and Mercedes-AMG EQE53 SUV.

Lucid-Gravity-SUV
Lucid Gravity (Source: Lucid)

Although the Rivian’s 850 hp R1S Tri-Motor beat the Gravity to 60 mph, Lucid’s SUV sprinted ahead in the quarter-mile, traveling nearly 20 mph faster.

It was also faster than gas-powered super SUVs, including the Lamborghini Urus Performante (11.2 secs) and Porsche Cayenne Turbo GT (11.2 secs). However, they have yet to test a Tesla Model X Plaid, so that could change the game.

Lucid Gravity Dream Edition vs Audi RS Q8 Performance, Range Rover Sport SV, Porsche Macan Turbo Electric, Rivian R1S Quad, and Porsche Panamera Turbo S E-Hybrid (Source: Hagerty)

In what it called the “1,000 hp mom missiles” drag race, Hagerty recently pitted the Gravity Dream Edition against the Audi RS Q8 Performance, Range Rover Sport SV, Porsche Macan Turbo Electric, Rivian R1S Quad, and Porsche Panamera Turbo S E-Hybrid.

The result was a three-way tie between Lucid’s Gravity, the Porsche Panamera Turbo, and Rivian R1S Quad hitting the quarter-mile in 10.5 seconds.

The Lucid Gravity is available to order starting at $94,900 in the US. Later this year, Lucid is launching the lower-priced Touring trim, priced from $79,900.

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EIA: Solar outproduced wind for the first time ever in May

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EIA: Solar outproduced wind for the first time ever in May

Solar provided over 11% of total US electrical generation in May, while wind + solar produced over one-fifth, and the mix of all renewable energy sources generated nearly 30%, according to data just released by the US Energy Information Administration (EIA).

Solar continues to set new records

Solar continues to be the fastest-growing source of US electricity, according to EIA’s latest “Electric Power Monthly” report (with data through May 31, 2025), which the SUN DAY Campaign reviewed.

In May alone, electrical generation by utility-scale solar (>1-megawatt (MW)) increased by 33.3% year-over-year, while “estimated” small-scale (e.g., rooftop) solar PV increased by 8.9%. Combined, they grew by 26.4% and provided over 11% of US electrical output during the month.

For the first time ever, the mix of utility-scale and small-scale solar produced more electricity than wind: solar – 38,965 gigawatt-hours (GWh); wind – 36,907-GWh.

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Moreover, utility-scale solar thermal and photovoltaic expanded by 39.8% while that from small-scale systems rose by 10.7% during the first five months of 2025 compared to the same period in 2024. The combination of utility-scale and small-scale solar increased by 31.1% and was nearly 8.4% of total US electrical generation for January to May – up from 6.6% a year earlier.

Solar-generated electricity easily surpassed the output of US hydropower plants (6.1%). Solar now produces more electricity than hydropower, biomass, and geothermal combined.

Wind is also on the rise in 2025

Wind produced 12.2% of US electricity in the first five months of 2025. Its output was 3.9% greater than the year before, almost double that produced by hydropower.

During the first five months of 2025, electrical generation by wind + utility-scale and small-scale solar provided 20.5% of the US total, up from 18.7% during the first five months of 2024. Solar + wind accounted for nearly 21.5% of US electrical output in May alone.

During the first five months of this year, wind and solar provided 26.2% more electricity than coal, and 15.4% more than US nuclear power plants. In May alone, the disparity increased further when solar + wind outproduced coal and nuclear power by 55.7% and 22.1%, respectively.

All renewables produced almost 30% in May

The mix of all renewables – wind, solar, hydropower, biomass, geothermal – produced 9.7% more electricity in January to May than they did a year ago (7.6% more in May alone) and provided 28.1% of total US electricity production compared to 26.5% 12 months earlier.

Electrical generation by all renewables in May alone provided 29.7% of total US electrical generation. Renewables’ share of electrical generation is now second only to that of natural gas, whose electrical output actually dropped by 5.9% during the month.  

“Solar and wind continue to grow, set new records, and outproduce both coal and nuclear power,” said Ken Bossong, the SUN DAY Campaign’s executive director. “Consequently, the ongoing Republican assault against renewables is not only misguided and illogical but also a good example of shooting oneself in the foot.”

Read more: FERC: Solar + wind made up 96% of new US power generating capacity in first third of 2025


The 30% federal solar tax credit is ending this year. If you’ve ever considered going solar, now’s the time to act. To make sure you find a trusted, reliable solar installer near you that offers competitive pricing, check out EnergySage, a free service that makes it easy for you to go solar. It has hundreds of pre-vetted solar installers competing for your business, ensuring you get high-quality solutions and save 20-30% compared to going it alone. Plus, it’s free to use, and you won’t get sales calls until you select an installer and share your phone number with them. 

Your personalized solar quotes are easy to compare online and you’ll get access to unbiased Energy Advisors to help you every step of the way. Get started here.

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Podcast: Tesla’s disturbing earnings, self-driving challenge, solid state batteries, and more

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Podcast: Tesla's disturbing earnings, self-driving challenge, solid state batteries, 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 Tesla’s disturbing earnings, a new self-driving challenge, solid-state batteries, 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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