GAC's Quark 2.0 electric drive wins China-SAE first prize with 99.03% peak efficiency

GAC Group's Quark Electric Drive 2.0 took a first prize in this year's China-SAE awards, presented Oct. 28 in Suzhou, CarNewsChina reported. The system combines a stator made of amorphous alloy and a carbon-fiber rotor sleeve and reached a peak motor efficiency of 99.03% in tests certified by CAERI, with a power density of 17.29 kW/kg. GAC subsidiary RuiPai Powertrain builds it on a Guangzhou line that can make 100,000 units a year. GAC says Hyptec and Aion models, among them the 2027 Aion i60, already use the drive in series production.