Motor Operation Method for Improving Fuel Ratio and Hybrid Vehicle thereof

A second motor generator hybrid methods motor operation is applied for improving fuel efficiency of the present invention having a first motor generator (Motor Generator) (10) and the efficiency dominant zone of the medium / high-speed with the efficiency dominant zone of the low / medium-speed ( motor generator) (20) comprises, the first motor generator 10 and the second motor generator in a relatively efficient dominant zone with the vehicle speed and the vehicle request torque detected by the Hybrid control Unit (top-level controller HCU) to ( 20) for determining, and the first motor generator 10 and the second motor generator 20, the low-speed drive by driving the main power (the city center) and the high-speed running (highway) when first and second motor generator in the efficiency dominant zone characterized fuel economy improvement is made by the (10,20).