Eco-friendly, compact, efficient and cost-effective rare earth free motor

https://engineering.tamu.edu/news/2024/11/sustainable-cost-effective-electric-motors-cut-rare-earth-materials.html

"replacing on motor's rotating part with copper coils... power to weight ratio on par with motors using rare earths... they have patents and U.S. patent applications for this idea. One of the main industries affected would be the automobile industry... can also be expanded for wind turbines, renewable energies and transportation systems too"

Related: First ultra-compact engine unveiled: Experts say it is “the end of hydrogen”
https://www.ecoticias.com/en/first-ultra-compact-engine-unveiled/9238/