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, ...

A new in-wheel motor for electric vehicles (EVs) delivers a massive amount of torque in a lightweight package, its developers say. The motor — which was made by YASA, a subsidiary of Mercedes-Benz ...