The article and the press release it was derived from says nothing about "more efficient", just smaller. https://yasa.com/news/yasa-smashes-own-unofficial-powe

The article and the press release it was derived from says nothing about "more efficient", just smaller. https://yasa.com/news/yasa-smashes-own-unofficial-power-density-world-record-pushing-state-of-the-art-electric-motor-to-staggering-new-59kw-kg-benchmark/ https://yasa.com/news/yasa-smashes-own-unofficial-power-dens...