The British company Yasa Motors, controlled by the Mercedes group, has developed an electric motor weighing just over 13 kilograms and delivering 738 horsepower, achieving a power-to-weight ratio of 56 horsepower per kilogram That electric motors are optimal propulsion units for self-propelled vehicles is an indisputable fact. With equal power output, they are lighter and more compact than internal combustion engines, boast more than double the energy efficiency, and require almost no maintenance. Two confirmations of this come to mind. The first is the widespread—indeed monopolistic—use of electric motors wherever…
Read MoreYasa Motors, record-breaking power-to-weight ratio
