The deal with a company owned by Embraer gives Beta Technologies an additional source of revenue as it develops its own electric aircraft. By Niraj Chokshi Two companies racing to develop electric ...

We’ve long-admired internal combustion engines for their power density pursuits. Extremely high horsepower-to-liter ratios for naturally aspirated cars like the Honda S2000, Ferrari 458 Speciale, or, ...

Any enthusiast will be able to tell you the seat-of-the-pants characteristics of their favorite engine. The torque-peakiness of an Eighties turbo car, the endless rev-hungry climb of a naturally ...

Support CleanTechnica's work through a Substack subscription or on Stripe. Earlier this year, UK-based YASA amazed the world by showing off an axial flux electric motor that weighed just 13.1 kg (29 ...