Audi apprentices put an electric spin on an iconic classic car. The team “awoke” an NSU Prinz 4 from 1971 from its sleep, charging it up with technology from the Audi e-tron EV.
In honor of the 150th anniversary of its Neckarsulm site, Audi put its apprentices to the task of restoring a classic car with an all-electric drive train.
The Audi Neckarsulm site has produced several of the brand’s top-selling models and began building its first fully electric model, the Audi e-tron GT quattro, at the end of 2020. Over the years, Audi has transformed the site for the electric era with upgrades, including AI and 3D printing, to enhance efficiency and high-voltage battery production.
To commemorate the anniversary, “We wanted to build a car that was not only fast and looked cool,” explained Dean Scheuffler, an apprentice at the site. The NSU Prinz 4 was the perfect match, as it’s been off the road for decades.
The team revealed the NSU Prinz 4 EV, now called the Audi “EP4,” at Audi family day this week. The “E” stands for electric drive, while the P4 is in honor of the NSU Prinz 4, a classic car produced in Neckarsulm by NSU Motorenwerke from 1961 to 1963.
Meet the NSU Prinz 4 EV, or Audi EP4
Trainees from the mechatronics, bodywork, vehicle construction mechanics, and painting courses unveiled the restored electric car. As the body and paint specialists worked on the chassis and exterior of the vehicle, the mechanics tackled the powertrain, battery, and suspension.
Fitted with a 240 hp (176 kW) electric motor from a 2020 Audi e-tron at the rear, the EV is eight times more powerful than the NSU Prinz 4’s original two-cylinder gas engine that had 30 hp.
In addition, the team placed a battery from the Audi Q7 TFSI e-quattro plug-in hybrid under the front hood, once home to the fuel tank. The EV “breathes” through an open-air intake at the bottom bumper, while heat can escape through the opening in the hood.
The electric classic car’s tailgate can be fixed into a half-open position to highlight the “electric power plan,” reminiscent of the iconic racing cars based on the NSU Prinz 1000.
The NSU Prinz 4 EV conversion took significant modifications to the chassis and body. Its modified floor plan includes an Audi A1 as a base, including the brakes and axles. Adding muscular fenders from a 3D printer, the team mounted the modified (and significantly widened) body on top.
Apprentice auto painter Cynthia Huster explained, “The eye travels with you! We wanted the EP4’s performance to be visible from every angle.”
The inside has been stripped down to the bare essentials, with all other surfaces painted black, common among racing cars. A single-board computer and screen feature the instruments and displays.
Audi says NSU vehicles made history and continue inspiring car enthusiasts to this day. The automaker claimed, “With its charm and electric drivetrain, the EP4 stirs anticipation for the coming all-electric chapters in the continuing story of Audi’s Neckarsulm site.”
The project gave the apprentices a chance to learn more about how electric cars work and the development process while allowing them to showcase their talent.
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It’s been a busy time for the North American EV industry’s transition to NACS, the charging standard originally advanced by Tesla and now standardized by SAE.
But this past couple weeks were supposed to be even busier, with Kia having previously planned to roll out Supercharger access on January 15th, according to an announcement the company made back in September. Unfortunately there was a delay, and Kia owners will have to wait until later this quarter for official support.
In the meantime, though, owners had found that you could trick the system into letting you charge by telling it that you have a Hyundai. Hyundai and Kia both build their EVs on the same E-GMP platform, so there are a lot of similarities between them.
Kia, like Hyundai, is also in the process of shipping some of the first vehicles with a native NACS port, with the 2025 EV6 including a native NACS port, much like the 2025 Ioniq 5 does. So this similarity seemed to be able to trick the Supercharger network, and Kia EV6s could charge on it for a little while, assuming use of a third-party adapter.
But that method no longer works, according to several Kia owners. Now, when attempting to charge at a Tesla Supercharger with an EV6 and adapter, the Tesla app will tell you “Unknown error occurred – Your vehicle is not able to charge at Superchargers at this time.” This has been confirmed to be the case even on Supercharger sites that were previously working.
Probably one of the reasons for this is the use of third-party adapters. While third-party adapters are available, manufacturers are always wary when owners use non-verified equipment – especially when it’s related to the most expensive part of the car, the battery.
Kia themselves told us that “warranty coverage may be impacted by use of a third party or aftermarket adapter, and we expect to have our authorized version available in late Q1 2025” when we contacted them about our previous article (though we’re not sure how that would shake out legally – there are a lot of laws covering car warranties and what can and cannot void them).
This isn’t the first time we’ve seen some mix-ups with Supercharger access. Last November, Tesla announced that Nissan cars had access to Superchargers, but it turned out they jumped the gun. Everything is hunky-dory now for Nissan, and it seems like a bunch of new brands will gain access in the coming months, but we expect a few more fits and starts along the way (chaos tends to happen when you fire the whole Supercharger team for no reason).
But, once EV6s do gain access to Superchargers, we expect to see them show exceptional charge performance. The EV6’s cousin, the Ioniq 5, recently showed that it can charge faster than a Tesla, even on Tesla’s home turf. The EV6 should be able to accomplish similar feats, once it is unleashed onto North America’s biggest charging network.
If you’re looking to buy one of the fastest-charging EVs on the road today, use our link to check local dealers and get in line for when they get the new 2025 Kia EV6s in stock.
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Jaguar Land Rover’s investment arm InMotion Ventures has invested $2 million in rare earth magnets recycling company Cyclic Materials, bringing its Series B funding round to $55 million.
Jaguar Land Rover’s InMotion Ventures has invested in a range of technologies including supply chain traceability, battery repair, reuse and recycling, and now, rare earth magnets recycling.
“Cyclic Materials is leading the way in creating a sustainable supply chain for rare earth elements (REEs) and critical materials,” said Mike Smeed, managing director at InMotion Ventures. “Their innovative technologies address a vital need for rare earth magnets recycling, supporting the automotive industry’s transition toward a cleaner and more resilient future.”
Cyclic Materials says it will use the investment to accelerate the expansion of its operations across North America and Europe, boost its processing capabilities, and refine its recycling technologies.
This Series B extension builds on Cyclic Materials’ earlier $53 million round that already has the backing of BMWi, Microsoft, and Hitachi.
Rare earth magnet recycling
Rare earth magnets are a type of permanent magnet made from alloys of REEs, which are part of a set of 17 chemical elements in the periodic table. Rare earth magnets, particularly neodymium magnets, are essential in electric traction motors in EVs. Their strong magnetic fields help deliver high performance and efficiency, which extend an EV’s driving range and reduce battery load.
Rare earth magnets can also be found in everything from data centers and wind turbines to cell phones and power tools.
However, less than 1% of REEs are currently recycled, while the global demand already exceeds supply and is projected to grow threefold by 2030. Ontario-based Cyclic Materials says its proprietary MagCycle and REEPure technologies recycle REEs from a wide range of end-of-life products, establishing a circular supply chain for recycled Mixed Rare Earth Oxides.
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Nissan plans to buy 20 GWh of batteries from SK On, enough to power around 300,000 EVs to be sold in the US. However, after delaying EV production in the US again, when will the new EVs finally arrive?
Nissan revealed plans to invest $500 million in its Canton, Mississippi, plant almost three years ago to prepare the facility for its newest electric vehicles.
Production was initially set to begin in Canton this year, but Nissan pushed the start date back until 2026 last January with concerns over profitability and EV demand. According to the Madison County Journal, the company is now pushing the start date until 2028.
Just yesterday, an Automotive News report claimed Nissan was also canceling plans to build a smaller electric SUV in the US. The SUV was expected to sit between the LEAF and Ariya.
The smaller electric SUV was expected to be the fifth EV built in Canton, following a pair of Nissan and Infiniti electric sedans. Nissan spokesperson Brian Brockman said the company was focusing on other, more profitable projects that would see more demand.
Nissan to buy batteries from SK On for new EVs in the US
Despite the delays, the automaker is still expanding its supply chain in the US to prepare for the upcoming EVs.
A Nikkei report on Thursday claimed that Nissan secured a battery supply from SK On for EV models sold in the US. Nissan agreed to buy 20 GWh of batteries, or enough to power roughly 300,000 EVs.
The automaker will reportedly begin installing the new SK-supplied batteries by 2028, which is when it plans to start building EVs in the US.
Nissan’s battery supply deal comes as the company looks to establish a domestic supply chain for EVs in the US.
Although Nissan announced plans to team up with Honda in December to keep pace with EV leaders like BYD and Tesla, it doesn’t expect to realize any substantial benefits until around 2030.
Nissan Motor’s, including Infiniti’s, US market share has dropped 2.1% over the past five years to just 5.8%. In 2024, the automaker sold just over 31,000 electric vehicles in the US, including roughly 20,000 Ariya models and 11,000 LEAFs.
Honda, which began delivering the Prologue just last March based on GM’s Ultium platform, sold over 33,000 models last year.
The new battery supply deal is a start, but in 2028, Nissan will face an influx of new EV models with which it will have to compete.
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