A commercial sodium-ion battery used in China is getting closer to Tesla-style performance, with cheaper materials and a ...

Since it unveiled the 4680 battery cells during the 2020 Battery Day, Tesla has been promising a breakthrough in energy density and manufacturing costs. A new report claims that Tesla is closer than ...

A popular sodium-ion battery designed by the company Hina and used in cars and large-scale energy storage systems in China ...

It's likely the biggest question for the future of electric{}cars: How low can battery cost go, and how fast? Tesla Motors is thought to have the lowest cost-per-kilowatt-hour in the electric-car ...

The owner of a 470,000-mile Tesla Model S swapped an upgraded battery into his EV. The bigger pack increased the usable driving range by 50%, making the 10-year-old EV a much more usable car.

At the start of 2025, Chinese carmaker BYD was crowned as the world's top seller of electric cars, surpassing Elon Musk-led Tesla in the last quarter of 2024. The success of BYD is not surprising, as ...

Tesla's Cybercab achieved a certified 165 Wh/mi efficiency rating, crushing every EV on the market — but the two-seat ...

For years, one aspect of Tesla Inc.’s business has been growing outside the public eye, its revenue soaring even as the company’s electric car sales sputtered and stalled. Now analysts wonder whether ...