Siemens researchers have developed a new type of electric motor that, with a weight of just 50 kilograms, delivers a continuous output of about 260 kilowatts – five times more than comparable drive systems.
Link: http://www.siemens.com/press/en/feature/2015/corporate/2015-03-electromotor.php?content[]=Corp
Link: http://www.siemens.com/press/en/feature/2015/corporate/2015-03-electromotor.php?content[]=Corp