Yesterday morning, China's first tunnel pure electric bus line was officially put into the Jiaozhou Bay Tunnel 4 route.

The 10 newly-purchased pure electric buses newly introduced by Qingdao Jiaotong Group will be used by the 20 buses previously invested in the operation of the Jiaojiawan Tunnel Line 4 Quartet Long Distance Station - Xuejiadao Tunnel.

It was also learned that in order to further strengthen the standardized management and standardization services, and standardize the code of conduct of passengers and passengers to better serve the passengers, on the same day, the Qingdao Shuttle Co., Ltd. held a double-decker sightseeing bus to create a “five golden flowers”. The driver vie for the launch ceremony of "Five Gold Stars". During the ceremony, the warm bus company announced the selection criteria for the “five golden flowers” ​​and “five golden stars” to the society, and assessed the ideological morality, business skills, service image, service attitude, etc., through personal self-evaluation, and the company Appraisal, passenger evaluation, social and media supervision and evaluation, and finally a comprehensive selection of the "five golden flowers" and "five golden stars" of double-decker tourist vehicles.

The composition of electric buses includes: electric drive and control systems, mechanical systems such as drive transmissions, and work devices that accomplish the intended tasks. The electric drive and control system is the core of an electric vehicle and is also the biggest difference from a combustion engine vehicle. The electric drive and control system consists of a speed control device that drives the motor, power supply, and motor. The other devices of an electric car are basically the same as those of an internal combustion engine car.

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