A motorcycle 1, in which rear portions of glove bars 2 and a seat cowl 24 are formed integrally, and front and rear portions of the glove bars 2, respectively, are mounted to a body frame 8. The energy-saving vehicle utilizes force of gravity as driving force, the vehicle body connects with the wheel by swing structure method or eccentric swing structure to utilize force of gravity more efficiently. A secret value, which may be combined with the generator G to form a secret generator is generated. The suction cups having reached the intermediate positions are stopped there for a predetermined period of time.