An electric double-decker bus arrives at Jinan West Station's bus parking lot on May 15. The bus is just introduced by Jinan Public Transport Corporation. [Photo/VCG]

The double-decker bus is powered by electricity and has a top speed of 69 kilometers per hour. [Photo/VCG]

An interior view of the electric double-decker bus. Jinan intends to introduce 60 of these buses on Jingshi Road this year. [Photo/VCG]

The electric double-decker bus is spacious and comfortable. [Photo/VCG]