A hybrid vehicle having a shock-reducing clutch coupling (206, 1802), comprising: an internal combustion engine configured to provide rotational power to a flywheel; a first motor/generator having a hollow rotor shaft rotatably operatively coupled to the flywheel and configured to provide rotational force to the hollow rotor shaft or receive rotational force from the hollow rotor shaft; a gear transmission having a first port configured to receive or provide rotational power in a first rotational range, and a second port configured to provide or receive in a second rotational range to/from at least one wheel of the vehicle; a second motor/generator operatively coupled to the first port and configured to provide rotational force to the first port when receiving electrical power, and configured to generate electrical power when receiving rotation force from the first port when the at least one wheel provides rotational force to the second port; a torsional coupling configured to operatively couple the flywheel to the first motor-generator and reduce shock and/or vibration transmitted between the engine and the first motor-generator, a battery system for receiving, storing and providing electrical power; and a control system configured to control the electrical power provided to and from the battery system; wherein the first motor/generator is configured to: in a first mode, receive electrical power from the battery system and provide rotational force to the hollow rotor shaft to rotate and start the internal combustion engine; in a second mode, receive rotational force through the hollow rotor shaft from the internal combustion engine to generate electrical power to charge the battery system; in a third mode, receive electrical power from the battery system and provide rotational force to the hollow rotor shaft; and wherein the second motor/generator is configured to provide rotational force to the first port when receiving electrical power from the battery system and to generate electrical power to charge the battery system when receiving rotation force from the first port when the at least one wheel provides rotational force to the second port, and characterized by a clutch cover fixedly coupled to the flywheel and configured to rotate with the flywheel; wherein the torsional coupling is operatively coupled with the clutch cover and configured to rotate with the flywheel; and wherein the torsional coupling is operatively coupled with the hollow rotor shaft of the first motor/generator and configured to rotatably couple the flywheel with the first motor/generator. an internal combustion engine configured to provide rotational power to a flywheel; a first motor/generator having a hollow rotor shaft rotatably operatively coupled to the flywheel and configured to provide rotational force to the hollow rotor shaft or receive rotational force from the hollow rotor shaft; a gear transmission having a first port configured to receive or provide rotational power in a first rotational range, and a second port configured to provide or receive in a second rotational range to/from at least one wheel of the vehicle; a second motor/generator operatively coupled to the first port and configured to provide rotational force to the first port when receiving electrical power, and configured to generate electrical power when receiving rotation force from the first port when the at least one wheel provides rotational force to the second port; a torsional coupling configured to operatively couple the flywheel to the first motor-generator and reduce shock and/or vibration transmitted between the engine and the first motor-generator, a battery system for receiving, storing and providing electrical power; and a control system configured to control the electrical power provided to and from the battery system; wherein the first motor/generator is configured to: in a first mode, receive electrical power from the battery system and provide rotational force to the hollow rotor shaft to rotate and start the internal combustion engine; in a second mode, receive rotational force through the hollow rotor shaft from the internal combustion engine to generate electrical power to charge the battery system; in a third mode, receive electrical power from the battery system and provide rotational force to the hollow rotor shaft; and in a first mode, receive electrical power from the battery system and provide rotational force to the hollow rotor shaft to rotate and start the internal combustion engine; in a second mode, receive rotational force through the hollow rotor shaft from the internal combustion engine to generate electrical power to charge the battery system; in a third mode, receive electrical power from the battery system and provide rotational force to the hollow rotor shaft; and wherein the second motor/generator is configured to provide rotational force to the first port when receiving electrical power from the battery system and to generate electrical power to charge the battery system when receiving rotation force from the first port when the at least one wheel provides rotational force to the second port, and characterized by a clutch cover fixedly coupled to the flywheel and configured to rotate with the flywheel; wherein the torsional coupling is operatively coupled with the clutch cover and configured to rotate with the flywheel; and wherein the torsional coupling is operatively coupled with the hollow rotor shaft of the first motor/generator and configured to rotatably couple the flywheel with the first motor/generator.